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Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
A thin product that is perfect for wearing under the helmet for greater thermal comfort when cycling in cool weather. Protects the forehead and ears
Size Guide
| Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.3 | 27.6 – 28.7 |
| S | 34.6 – 35.8 | 29.1 – 30.3 |
| M | 36.2 – 37.4 | 30.7 – 31.9 |
| L | 37.8 – 40.6 | 32.3 – 35.0 |
| XL | 40.9 – 44.5 | 35.4 – 39.4 |
| 2XL | 44.9 – 48.4 | 39.8 – 43.7 |
| 3XL | 48.8 – 53.1 | 44.1 – 48.4 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.5 | 26.0 – 28.0 |
| S | 33.9 – 35.8 | 28.3 – 30.3 |
| M | 36.2 – 38.2 | 30.7 – 32.7 |
| L | 38.6 – 40.9 | 33.1 – 35.0 |
| XL | 41.3 – 43.7 | 35.4 – 38.2 |
| 2XL | 44.1 – 46.5 | 38.6 – 41.3 |
| 3XL | 46.9 – 49.6 | 41.7 – 44.5 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.5 – 32.7 | 22.8 – 24.4 |
| XS | 33.1 – 34.3 | 24.4 – 25.6 |
| S | 34.6 – 35.8 | 26.0 – 27.2 |
| M | 36.2 – 37.4 | 27.6 – 28.7 |
| L | 37.8 – 40.6 | 29.1 – 33.1 |
| XL | 40.9 – 44.5 | 33.5 – 37.8 |
| 2XL | 44.9 – 48.4 | 38.2 – 42.5 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.1 – 33.5 | 23.6 – 24.8 |
| XS | 33.5 – 35.4 | 25.2 – 26.8 |
| S | 35.4 – 37.8 | 27.2 – 28.7 |
| M | 37.8 – 40.2 | 29.1 – 31.1 |
| L | 40.2 – 42.5 | 31.5 – 33.9 |
| XL | 42.5 – 44.9 | 34.3 – 36.6 |
| 2XL | 44.9 – 47.2 | 37.0 – 39.4 |
| Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.5 | 24.8 – 26.4 |
| XS | 31.5 – 33.5 | 24.8 – 28.3 |
| S | 33.5 – 35.4 | 26.8 – 30.3 |
| M | 35.4 – 37.4 | 28.7 – 32.3 |
| L | 37.4 – 39.4 | 30.7 – 34.3 |
| XL | 39.4 – 41.3 | 32.7 – 36.2 |
| 2XL | 41.3 – 43.3 | 34.6 – 38.2 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hips: Wrap a tape measure around the fullest part of your hips.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 16.5 – 16.9 | 14.6 – 15.2 | 16.5 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 59.1 | 26.8 – 28.7 | 24.0 – 25.2 | 29.1 – 30.3 |
| 12 – 13 years | 59.4 – 63.0 | 29.1 – 31.5 | 25.6 – 27.2 | 30.7 – 33.1 |
| 14 – 15 years | 63.4 – 67.7 | 31.9 – 34.6 | 27.6 – 29.1 | 33.5 – 35.8 |
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 15.4 – 16.9 | 13.4 – 15.2 | 15.4 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 58.3 | 26.8 – 28.0 | 24.0 – 24.8 | 29.1 – 31.9 |
| 12 – 13 years | 58.7 – 62.6 | 28.3 – 31.9 | 25.2 – 26.4 | 32.3 – 35.0 |
| 14 – 15 years | 63.0 – 65.4 | 32.3 – 33.9 | 26.8 – 28.0 | 35.4 – 36.6 |
Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 6 | 9.6 | 38.5 | 24.5 |
| 6.5 | 9.6 | 39 | 24.5 |
| 7 | 9.8 | 39.5 | 25 |
| 7.5 | 10 | 40 | 25.5 |
| 7.5 | 10 | 40.5 | 25.5 |
| 8 | 10.2 | 41 | 26 |
| 8.5 | 10.4 | 41.5 | 26.5 |
| 9 | 10.4 | 42 | 26.5 |
| 9.5 | 10.6 | 42.5 | 27 |
| 9.5 | 10.8 | 43 | 27.5 |
| 10 | 11 | 43.5 | 27.5 |
| 10.5 | 11 | 44 | 28 |
| 11 | 11.2 | 44.5 | 28.5 |
| 11.5 | 11.2 | 45 | 28.5 |
| 11.5 | 11.4 | 45.5 | 29 |
| 12 | 11.6 | 46 | 29.5 |
| 12.5 | 11.6 | 46.5 | 29.5 |
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 4 | 8.25 | 34 | 20.8 |
| 4.5 | 8.5 | 34.5 | 21.3 |
| 5 | 8.7 | 35 | 22 |
| 5.5 | 8.9 | 35.5 | 22.5 |
| 5.5 | 8.9 | 36 | 22.5 |
| 6 | 9.1 | 36.5 | 23 |
| 6.5 | 9.3 | 37 | 23.5 |
| 7 | 9.3 | 37 | 23.5 |
| 7.5 | 9.4 | 38 | 24 |
| 7.5 | 9.6 | 38.5 | 24.5 |
| 8 | 9.6 | 39 | 24.5 |
| 8.5 | 9.8 | 39.5 | 25 |
| 9 | 10 | 40 | 25.5 |
| 9 | 10 | 40.5 | 25.5 |
| 9.5 | 10.2 | 41 | 26 |
| 10 | 10.4 | 41.5 | 26.5 |
| 10.5 | 10.4 | 42 | 26.5 |
| Women's / Men's US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| W5 / M3.5 | 8.6 | 35 | 21.9 |
| W5.5 / M4 | 8.9 | 36 | 22.5 |
| W6 / M4.5 | 9.1 | 36.5 | 23 |
| W6.5 / M5 | 9.3 | 37 | 23.5 |
| W7 / M5.5 | 9.3 | 37.5 | 23.5 |
| W7.5 / M6 | 9.4 | 38 | 24 |
| W8 / M6.5 | 9.6 | 39 | 24.5 |
| W8.5 / M7 | 9.8 | 39.5 | 25 |
| W9 / M7.5 | 10 | 40 | 25.5 |
| W9.5 / M8 | 10.2 | 41 | 26 |
| W10 / M8.5 | 10.4 | 41.5 | 26.5 |
| W10.5 / M9 | 10.4 | 42 | 26.5 |
| W11 / M9.5 | 10.8 | 43 | 27.5 |
| W11.5 / M10 | 11 | 43.5 | 27.5 |
| W12 / M10.5 | 11 | 44 | 28 |
| W12.5 / M11 | 11.2 | 44.5 | 28.5 |
| W13 / M11.5 | 11.2 | 45 | 28.5 |
| W14 / M12 | 11.6 | 46 | 29.5 |
| W15 / M13 | 11.8 | 47 | 30 |
| W16 / M13.5 | 12 | 48 | 30.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| US Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.7 |
| XS | 19.7 – 20.9 |
| S | 20.9 – 22.0 |
| M | 22.0 – 23.2 |
| L | 23.2 – 24.4 |
| US Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.3 |
| XS | 18.5 – 20.5 |
| S | 20.5 – 21.7 |
| M | 21.7 – 23.2 |
| L | 23.2 – 24.4 |
| Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.3 | 6.3 – 6.6 |
| XS | 7.3 – 7.6 | 6.7 – 6.9 |
| S | 7.6 – 7.9 | 7.0 – 7.2 |
| M | 8.0 – 8.2 | 7.2 – 7.4 |
| L | 8.3 – 8.5 | 7.4 – 7.7 |
| XL | 8.6 – 8.9 | 7.7 – 7.9 |
| 2XL | 8.9 – 9.2 | 8.0 – 8.1 |
| 3XL | 9.2 – 9.5 | 8.2 – 8.4 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height (ft) |
|---|---|
| 12" | 2'5" – 3'0" |
| 14" | 3'0" – 3'5" |
| 16" | 3'5" – 3'11" |
| 20" | 3'11" – 4'5" |
| 24" | 4'5" – 5'1" |
| Bike size | Height (ft) |
|---|---|
| XS | 5'1" – 5'5" |
| S | 5'5" – 5'8" |
| M | 5'8" – 5'11" |
| L | 5'11" – 6'2" |
| XL | 6'2" – 6'7" |
| Bike size | Height (ft) |
|---|---|
| S | 4'11" – 5'5" |
| M | 5'5" – 5'9" |
| L | 5'9" – 6'0" |
| XL | 6'0" – 6'7" |
Size Guide
| Size | Chest (in) | Waist (in) |
|---|---|---|
| XS | 33.1 – 34.3 | 27.6 – 28.7 |
| S | 34.6 – 35.8 | 29.1 – 30.3 |
| M | 36.2 – 37.4 | 30.7 – 31.9 |
| L | 37.8 – 40.6 | 32.3 – 35.0 |
| XL | 40.9 – 44.5 | 35.4 – 39.4 |
| 2XL | 44.9 – 48.4 | 39.8 – 43.7 |
| 3XL | 48.8 – 53.1 | 44.1 – 48.4 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| XS | 31.5 – 33.5 | 26.0 – 28.0 |
| S | 33.9 – 35.8 | 28.3 – 30.3 |
| M | 36.2 – 38.2 | 30.7 – 32.7 |
| L | 38.6 – 40.9 | 33.1 – 35.0 |
| XL | 41.3 – 43.7 | 35.4 – 38.2 |
| 2XL | 44.1 – 46.5 | 38.6 – 41.3 |
| 3XL | 46.9 – 49.6 | 41.7 – 44.5 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Chest: Wrap a tape measure around your back and measure the fullest part of your chest. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.5 – 32.7 | 22.8 – 24.4 |
| XS | 33.1 – 34.3 | 24.4 – 25.6 |
| S | 34.6 – 35.8 | 26.0 – 27.2 |
| M | 36.2 – 37.4 | 27.6 – 28.7 |
| L | 37.8 – 40.6 | 29.1 – 33.1 |
| XL | 40.9 – 44.5 | 33.5 – 37.8 |
| 2XL | 44.9 – 48.4 | 38.2 – 42.5 |
| Size | Low hip (in) | Waist (in) |
|---|---|---|
| 2XS | 31.1 – 33.5 | 23.6 – 24.8 |
| XS | 33.5 – 35.4 | 25.2 – 26.8 |
| S | 35.4 – 37.8 | 27.2 – 28.7 |
| M | 37.8 – 40.2 | 29.1 – 31.1 |
| L | 40.2 – 42.5 | 31.5 – 33.9 |
| XL | 42.5 – 44.9 | 34.3 – 36.6 |
| 2XL | 44.9 – 47.2 | 37.0 – 39.4 |
| Size | Bust (in) | Underbust (in) |
|---|---|---|
| 2XS | 30.7 – 31.5 | 24.8 – 26.4 |
| XS | 31.5 – 33.5 | 24.8 – 28.3 |
| S | 33.5 – 35.4 | 26.8 – 30.3 |
| M | 35.4 – 37.4 | 28.7 – 32.3 |
| L | 37.4 – 39.4 | 30.7 – 34.3 |
| XL | 39.4 – 41.3 | 32.7 – 36.2 |
| 2XL | 41.3 – 43.3 | 34.6 – 38.2 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when you're looking straight ahead.
Bust: Wrap a tape measure around your back and measure the fullest part of your bust. Make sure it's straight and parallel to the floor. Look straight ahead, tighten the tape and breathe normally.
Underbust: Directly below the bust, wrap a tape measure around the ribcage. Make sure it's straight and parallel to the floor. Raise your head, tighten the tape and breathe normally.
Waist: Wrap a tape measure around the narrowest part of your waist, above your belly button. Raise your head, tighten the tape and breathe normally.
Hips: Wrap a tape measure around the fullest part of your hips.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 16.5 – 16.9 | 14.6 – 15.2 | 16.5 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 59.1 | 26.8 – 28.7 | 24.0 – 25.2 | 29.1 – 30.3 |
| 12 – 13 years | 59.4 – 63.0 | 29.1 – 31.5 | 25.6 – 27.2 | 30.7 – 33.1 |
| 14 – 15 years | 63.4 – 67.7 | 31.9 – 34.6 | 27.6 – 29.1 | 33.5 – 35.8 |
| Age | Height (in) | Chest (in) | Waist (in) | Low hip (in) |
|---|---|---|---|---|
| 6 months | 24.0 – 27.2 | 15.4 – 16.9 | 13.4 – 15.2 | 15.4 – 17.1 |
| 9 months | 27.6 – 28.3 | 16.9 – 17.3 | 15.2 – 15.6 | 17.1 – 17.7 |
| 12 months | 28.7 – 29.5 | 17.3 – 17.7 | 15.6 – 16.1 | 17.7 – 18.5 |
| 18 months | 29.9 – 31.9 | 18.1 – 18.5 | 16.3 – 16.9 | 18.5 – 19.3 |
| 24 months | 32.3 – 34.6 | 18.9 – 19.3 | 17.3 – 18.1 | 19.3 – 20.3 |
| 2 – 3 years | 35.0 – 37.4 | 19.7 – 20.1 | 18.1 – 18.9 | 20.3 – 20.9 |
| 3 – 4 years | 37.8 – 40.2 | 20.5 – 21.3 | 19.3 – 20.1 | 21.3 – 22.4 |
| 4 – 5 years | 40.6 – 44.1 | 21.7 – 22.4 | 20.1 – 20.9 | 22.8 – 24.0 |
| 5 – 6 years | 44.5 – 48.0 | 22.8 – 23.6 | 20.9 – 21.7 | 24.4 – 25.6 |
| 7 – 8 years | 48.4 – 51.2 | 24.4 – 24.8 | 21.7 – 22.4 | 26.0 – 27.2 |
| 8 – 9 years | 51.6 – 55.1 | 25.2 – 26.4 | 22.8 – 23.6 | 27.6 – 28.7 |
| 10 – 11 years | 55.5 – 58.3 | 26.8 – 28.0 | 24.0 – 24.8 | 29.1 – 31.9 |
| 12 – 13 years | 58.7 – 62.6 | 28.3 – 31.9 | 25.2 – 26.4 | 32.3 – 35.0 |
| 14 – 15 years | 63.0 – 65.4 | 32.3 – 33.9 | 26.8 – 28.0 | 35.4 – 36.6 |
Height: Stand against a wall, barefoot or in socks, heels pasted to the wall. Stand right, then hold a book or flat object on the top of your head. Block the book, mark the bottom edge of the book. Measure the distance from the floor to the mark.
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 6 | 9.6 | 38.5 | 24.5 |
| 6.5 | 9.6 | 39 | 24.5 |
| 7 | 9.8 | 39.5 | 25 |
| 7.5 | 10 | 40 | 25.5 |
| 7.5 | 10 | 40.5 | 25.5 |
| 8 | 10.2 | 41 | 26 |
| 8.5 | 10.4 | 41.5 | 26.5 |
| 9 | 10.4 | 42 | 26.5 |
| 9.5 | 10.6 | 42.5 | 27 |
| 9.5 | 10.8 | 43 | 27.5 |
| 10 | 11 | 43.5 | 27.5 |
| 10.5 | 11 | 44 | 28 |
| 11 | 11.2 | 44.5 | 28.5 |
| 11.5 | 11.2 | 45 | 28.5 |
| 11.5 | 11.4 | 45.5 | 29 |
| 12 | 11.6 | 46 | 29.5 |
| 12.5 | 11.6 | 46.5 | 29.5 |
| US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| 4 | 8.25 | 34 | 20.8 |
| 4.5 | 8.5 | 34.5 | 21.3 |
| 5 | 8.7 | 35 | 22 |
| 5.5 | 8.9 | 35.5 | 22.5 |
| 5.5 | 8.9 | 36 | 22.5 |
| 6 | 9.1 | 36.5 | 23 |
| 6.5 | 9.3 | 37 | 23.5 |
| 7 | 9.3 | 37 | 23.5 |
| 7.5 | 9.4 | 38 | 24 |
| 7.5 | 9.6 | 38.5 | 24.5 |
| 8 | 9.6 | 39 | 24.5 |
| 8.5 | 9.8 | 39.5 | 25 |
| 9 | 10 | 40 | 25.5 |
| 9 | 10 | 40.5 | 25.5 |
| 9.5 | 10.2 | 41 | 26 |
| 10 | 10.4 | 41.5 | 26.5 |
| 10.5 | 10.4 | 42 | 26.5 |
| Women's / Men's US Size | Foot length (in) | EU Size | Foot length (cm) |
|---|---|---|---|
| W5 / M3.5 | 8.6 | 35 | 21.9 |
| W5.5 / M4 | 8.9 | 36 | 22.5 |
| W6 / M4.5 | 9.1 | 36.5 | 23 |
| W6.5 / M5 | 9.3 | 37 | 23.5 |
| W7 / M5.5 | 9.3 | 37.5 | 23.5 |
| W7.5 / M6 | 9.4 | 38 | 24 |
| W8 / M6.5 | 9.6 | 39 | 24.5 |
| W8.5 / M7 | 9.8 | 39.5 | 25 |
| W9 / M7.5 | 10 | 40 | 25.5 |
| W9.5 / M8 | 10.2 | 41 | 26 |
| W10 / M8.5 | 10.4 | 41.5 | 26.5 |
| W10.5 / M9 | 10.4 | 42 | 26.5 |
| W11 / M9.5 | 10.8 | 43 | 27.5 |
| W11.5 / M10 | 11 | 43.5 | 27.5 |
| W12 / M10.5 | 11 | 44 | 28 |
| W12.5 / M11 | 11.2 | 44.5 | 28.5 |
| W13 / M11.5 | 11.2 | 45 | 28.5 |
| W14 / M12 | 11.6 | 46 | 29.5 |
| W15 / M13 | 11.8 | 47 | 30 |
| W16 / M13.5 | 12 | 48 | 30.5 |
Foot length: Stand against a wall, heels touching the wall. Put an object (e.g. book) against your longest toe. Measure the length between the wall and the object. Repeat this process for the other foot. If the lengths are different, choose the largest.
| US Size | Head (in) |
|---|---|
| 2XS | 18.5 – 19.7 |
| XS | 19.7 – 20.9 |
| S | 20.9 – 22.0 |
| M | 22.0 – 23.2 |
| L | 23.2 – 24.4 |
| US Size | Head (in) |
|---|---|
| 2XS | 17.3 – 19.3 |
| XS | 18.5 – 20.5 |
| S | 20.5 – 21.7 |
| M | 21.7 – 23.2 |
| L | 23.2 – 24.4 |
| Size | Palm perimeter (in) | Hand length (in) |
|---|---|---|
| 2XS | 7.0 – 7.3 | 6.3 – 6.6 |
| XS | 7.3 – 7.6 | 6.7 – 6.9 |
| S | 7.6 – 7.9 | 7.0 – 7.2 |
| M | 8.0 – 8.2 | 7.2 – 7.4 |
| L | 8.3 – 8.5 | 7.4 – 7.7 |
| XL | 8.6 – 8.9 | 7.7 – 7.9 |
| 2XL | 8.9 – 9.2 | 8.0 – 8.1 |
| 3XL | 9.2 – 9.5 | 8.2 – 8.4 |
Head: Wrap a tape measure around your head, above your eyebrows. Make sure it is parallel to the floor when your head is straight.
Hand: Hold a tape measure at the bend of the thumb. Wrap around your palm.
| Bike size | Height (ft) |
|---|---|
| 12" | 2'5" – 3'0" |
| 14" | 3'0" – 3'5" |
| 16" | 3'5" – 3'11" |
| 20" | 3'11" – 4'5" |
| 24" | 4'5" – 5'1" |
| Bike size | Height (ft) |
|---|---|
| XS | 5'1" – 5'5" |
| S | 5'5" – 5'8" |
| M | 5'8" – 5'11" |
| L | 5'11" – 6'2" |
| XL | 6'2" – 6'7" |
| Bike size | Height (ft) |
|---|---|
| S | 4'11" – 5'5" |
| M | 5'5" – 5'9" |
| L | 5'9" – 6'0" |
| XL | 6'0" – 6'7" |
Cycling helmet liner - black
8678236 / UNIQUE / black
Decathlon Bahrain City Centre
Mon–Wed & Sun: 10:00–23:00 | Thu–Sat: 10:00–00:00
Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
A thin product that is perfect for wearing under the helmet for greater thermal comfort when cycling in cool weather. Protects the forehead and ears
Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
Machine wash at 30°C. Synthetic programme. Turn the garment inside out. Use minimal laundry detergent. Do not add softener. Line dry in a warm, ventilated area. Do not tumble dry.Do not dry clean. Do not bleach. Do not place on a heater to dry.
Our team of product designers based at the B'Twin Village in Lille is continuously working to make cycling more comfortable for our users. Our obsession is to create products that meet the specific cycling needs of our users and eliminate things that get in the way of their rides.We then test our products in the field, as we are convinced that only by subjecting them to real world conditions, like the ones you experience on your bike, can we continuously improve our products.
A thin product that is perfect for wearing under the helmet for greater thermal comfort when cycling in cool weather. Protects the forehead and ears

Provides extra warmth when needed while cycling in chilly weather.

Micro-knit material lets perspiration escape very effectively. Quick-drying

Very stretchy fabric for good coverage of most head sizes and shapes.
Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
Machine wash at 30°C. Synthetic programme. Turn the garment inside out. Use minimal laundry detergent. Do not add softener. Line dry in a warm, ventilated area. Do not tumble dry.Do not dry clean. Do not bleach. Do not place on a heater to dry.
Our team of product designers based at the B'Twin Village in Lille is continuously working to make cycling more comfortable for our users. Our obsession is to create products that meet the specific cycling needs of our users and eliminate things that get in the way of their rides.We then test our products in the field, as we are convinced that only by subjecting them to real world conditions, like the ones you experience on your bike, can we continuously improve our products.
A thin product that is perfect for wearing under the helmet for greater thermal comfort when cycling in cool weather. Protects the forehead and ears

Provides extra warmth when needed while cycling in chilly weather.

Micro-knit material lets perspiration escape very effectively. Quick-drying

Very stretchy fabric for good coverage of most head sizes and shapes.
Our engineers have designed this helmet liner for cyclists wanting to wear a lighter product in exchange for a thinner and stretchier product
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