Adult

Size	Centimeters	Inches
X-Small	52 - 53 1/2	20 1/2 - 21
Small	54 - 55 1/2	21 - 21 7/8
Medium	55 1/2 - 57	21 7/8 - 22 1/2
Large	57 - 59	22 1/2 - 23 1/4
X-Large	59 - 60 1/2	23 1/4 - 23 7/8
XXL	60 1/2 - 62	23 7/8 - 24 3/8
XXXL	62 - 63 1/2	24 3/8 - 25

Kids - Nino and Nina Models

Size	Centimeters	Inches
XS/Small	48 - 51 1/2	18 7/8 - 20 1/4
Small/Medium	51 1/2 - 54 1/2	20 1/4 - 21 1/2

Tags: Kayak Helmets, Sizing Charts, Wakeboard Helmets, Water Helmets

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