Rodan Ski & Snowboard Helmet Micro-adjustable fit, fleece-lined warmth, and a lightweight feel with MIPS crash technology. The Anon Rodan Helmet features in-mold shell construction for a lightweight feel with a sleek, low-profile fit. The plush fleece liner and ear pads offer maximum warmth and moisture-wicking comfort. Tech Specs Fit BOA Fit System Construction In-Mold Terrain Freestyle Designed For Snowsports Audio Compatible Yes Sizing Chart How to Measure Wrap measuring tape around your head, just above eyebrows. Note your size at the point of overlap.