Shark Helmet Size Chart

Helmets
Size	Head Circumference (cm)	Head Circumference (in)	Hat Size (in)
XS	53 - 54	20 7/8"	6 5/8"
S	55 - 56	21 5/8"	6 7/8"
M	57 - 58	22 1/2"	7 1/8"
L	59 - 60	23 1/4"	7 3/8"
XL	61 - 62	24"	7 5/8"
2XL (KS)	63 - 64	24 7/8"	7 7/8"

King Size (KS) cheek and cap thicknesses adapted to large morphologies.

Sizing information is provided by the manufacturer and does not guarantee a perfect fit. Please use this chart as a guide only.