Smith Aspect MIPS Snowboard Ski Helmet Adult M 55-59cm Matte White Winter Sports
Size M 21.65" (55cm), 22.05" (56cm), 22.44" (57cm), 22.83" (58cm), 23.23" (59cm). 14 vents allow sweaty air to blow out and fresh air to enter. Outer shell type: In-mold. Weight: 14.11 oz.