K2 Thrive Ski helmet Size Chart
Size | Head circum. (CM) | Head circum. (IN) |
S | 52 - 55 cm | 20.4 - 21.6" |
M | 56 - 59 cm | 22 - 23.2" |
L - XL | 60 - 62 cm | 23.6 - 24.4" |
How to Measure
Follow the instructions below and compare your measurements with the size chart
Head Circumference
Measure the head circumference just above your ears and eyebrows. The helmet should sit low, level on your head and it should not be tilted.
Tip! Use a soft measuring tape, to ensure that the product fits properly. Alternatively, use a piece of string and then measure it against a ruler
This size guide only applies to
Popular products
K2 Brake pad
$16.95 (515)
K2 Prime Skate Pads 3-pack
$42.95Size: S, M, L
(204)
-19%
K2 Prime Womens Skate Pads 3-pack
$41.95 $33.95Size: S, M, L, XL
(110)
-24%
K2 Freedom 80 Womens Inline Skates
$289.95 $219.95Shoe size: 2.5-8.5
(297)
![K2 Freedom 80 Inline Skates](https://cdn.skatepro.com/product/400/k2-freedom-80-inline-skates.webp)
-28%
K2 Freedom 80 Inline Skates
$289.95 $209.95Shoe size: 6-12
(210)
![K2 Raider Kids inline skates](https://cdn.skatepro.com/product/400/k2-raider-kids-inline-skates-7m.webp)
-42%
K2 Raider Kids inline skates
$169.95 $98.95Shoe size: 10C, 1, 13C, 4, 3-7
(98)
![K2 Booster Inline Skate Wheels 8-Pack](https://cdn.skatepro.com/product/400/k2-booster-inline-skate-wheels-8-pack-e5.webp)
K2 Booster Inline Skate Wheels 8-Pack
$169.95Wheel diameter: 72mm, 80mm, 84mm
(45)
![K2 Marlee Kids Inline Skates](https://cdn.skatepro.com/product/400/k2-marlee-kids-inline-skates-ct.webp)
-42%
K2 Marlee Kids Inline Skates
$169.95 $98.95Shoe size: 13C, 4, 3-7
(103)
![K2 Prime Wrist Guards](https://cdn.skatepro.com/product/400/k2-prime-wrist-guards-1c.webp)
K2 Prime Wrist Guards
$25.95Size: S, M, L, XL
(6)
![K2 F.I.T. Boa Ice skates](https://cdn.skatepro.com/product/400/k2-f-i-t-boa-ice-skates-b8.webp)
K2 F.I.T. Boa Ice skates
$279.95 $269.95Shoe size: 6.5-11
(50)
![K2 VO2 90 BOA Womens Inline Skates](https://cdn.skatepro.com/product/400/k2-vo2-90-boa-womens-inline-skates-ma.webp)
K2 VO2 90 BOA Womens Inline Skates
$469.95 $419.95Shoe size: 4, 6-8.5
(57)
![K2 Women Inline Package](https://cdn.skatepro.com/product/400/k2-women-inline-package-p4.webp)
-47%
K2 Women Inline Package
From $253.95 (5)
![K2 Raider BOA Kids Inline Skates](https://cdn.skatepro.com/product/400/k2-raider-boa-kids-inline-skates-y3.webp)
-23%
K2 Raider BOA Kids Inline Skates
$239.95 $185.95Shoe size: 13C, 4, 3-7
(55)
![K2 Performance Men Skate Pads 3-Pack](https://cdn.skatepro.com/product/400/k2-performance-men-skate-pads-3-pack-o9.webp)
K2 Performance Men Skate Pads 3-Pack
$55.95Size: S, M, L, XL
(18)
![K2 Inline Package](https://cdn.skatepro.com/product/400/k2-inline-package-c.webp)
-26%
K2 Inline Package
From $255.86 (8)
![K2 F.I.T. 84 BOA Black Inline Skates](https://cdn.skatepro.com/product/400/k2-f-i-t-84-boa-black-inline-skates.webp)
-31%
K2 F.I.T. 84 BOA Black Inline Skates
$419.95 $289.95Shoe size: 7-10.5
(17)
![K2 Fatty Snowblades Freestyle Skis](https://cdn.skatepro.com/product/400/k2-fatty-snowblades-twin-tip-skis-e7.webp)
K2 Fatty Snowblades Freestyle Skis
$419.95 $409.95Length: 88cm
(15)
![K2 Marlee Beam Kids Ice Skates](https://cdn.skatepro.com/product/400/k2-marlee-beam-kids-ice-skates-pp.webp)
-30%
K2 Marlee Beam Kids Ice Skates
$185.95 $129.95Shoe size: 26-31, 10C, 1.5-4, 2.5-6.5
(2)
![K2 VO2 Buckle Set](https://cdn.skatepro.com/product/400/k2-vo2-buckle-set-1v.webp)
K2 VO2 Buckle Set
$53.95 (9)
![K2 Alexis 80 ALU Womens Inline Skates](https://cdn.skatepro.com/product/400/k2-alexis-80-alu-womens-inline-skates-kp.webp)
K2 Alexis 80 ALU Womens Inline Skates
$289.95 $253.95Shoe size: 6.5-8
(7)
![K2 VO2 90 BOA Inline Skates](https://cdn.skatepro.com/product/400/k2-vo2-90-boa-inline-skates-jw.webp)
K2 VO2 90 BOA Inline Skates
$469.95Shoe size: 6-11.5
(79)
![K2 Poacher Junior Skis + FDT 4.5 Bindings](https://cdn.skatepro.com/product/400/k2-poacher-junior-skis-fdt-4-5-bindings-ed.webp)
K2 Poacher Junior Skis + FDT 4.5 Bindings
$469.95 $409.95Length: 109cm, 119cm, 129cm
![K2 Mini Turbo Snowboard Bindings](https://cdn.skatepro.com/product/400/k2-mini-turbo-snowboard-bindings-8i.webp)
-35%
K2 Mini Turbo Snowboard Bindings
$177.95 $114.95Shoe size: 11C, 1.5-3.5
(4)
![K2 Freedom Brake](https://cdn.skatepro.com/product/400/k2-freedom-brake-h4.webp)
K2 Freedom Brake
$60.95 (17)
![K2 F.I.T. 80 ALU Inline skates](https://cdn.skatepro.com/product/400/k2-f-i-t-80-alu-inline-skates-vd.webp)
K2 F.I.T. 80 ALU Inline skates
$289.95 $253.95Shoe size: 6.5-11.5
(6)
![K2 Rainfly Inline Skate Wheels 4-Pack](https://cdn.skatepro.com/product/400/k2-rainfly-inline-skate-wheels-4-pack-yu.webp)
K2 Rainfly Inline Skate Wheels 4-Pack
$69.95Wheel diameter: 110mm, 90mm
(3)
![K2 Alexis 80 BOA Womens Inline Skates](https://cdn.skatepro.com/product/400/k2-alexis-80-boa-womens-inline-skates-gk.webp)
-15%
K2 Alexis 80 BOA Womens Inline Skates
$339.95 $289.95Shoe size: 6.5-8
(19)
![K2 F.I.T 84 Pro Inline Skates](https://cdn.skatepro.com/product/400/k2-f-i-t-84-pro-inline-skates-ss.webp)
K2 F.I.T 84 Pro Inline Skates
$359.95 $309.95Shoe size: 5.5-9.5, 11.5
(3)