How to fit your Nutcase Helmet Download pdf (80kb)

HEAD SIZE (in.)	HEAD SIZE (cm)	HAT SIZE	GEN2 WATER HELMET SIZE
20 7/8	53	6 5/8	S/M Small / Medium 53cm - 55cm
21 1/4	54	6 3/4
21 5/8	55	6 7/8
22	56	7	M/L Medium / Large 56cm - 58cm
22 3/8	57	7 1/8
22 3/4	58	7 1/4
23 1/8	59	7 3/8	L/XL Large / Extra Large 59cm - 61cm
23 1/2	60	7 1/2
23 7/8	61	7 5/8

This chart is to help guide you in finding the correct helmet size. Actual size may vary from person to person.