Sizing Chart Bauer IMS 9.0 Helmet

Helmet Size	Hat Size	Circumference (in.)	Circumference (cm.)
Small	6 5/8 - 7 1/8	21" - 22.5"	53.5 - 56.5
Medium	7 - 7 1/2	22" - 23.5"	56 - 59.5
Large	7 1/2 - 8	23" - 25.5"	59.5 - 64