Micro-adjustable fit and lightweight comfort meet low-profile style for full days on the mountain.The Anon Rodan Helmet features an in- shell construction for a lightweight feel with a sleek, low-profile fit. A 360° BOA Fit System offers quick, micro-adjustable fit with the turn of a dial, and the Fidlock magnetic helmet strap buckle allows for easy one-hand operation, even with gloves. Sleek venting keeps goggles clear and maximizes comfort for full days on the mountain. The soft, expedition-fleece liner and ear pads offer maximum warmth and moisture-wicking comfort.Please refer to sizing chart for accurate measurements. If you are in-between sizes, you may want to size up.In- Shell Construction - fuses a lightweight polycarbonate shell with an EPS liner for sleek comfort and a low profile fit.Passive Ventilation - channels integrated into the helmet draw fresh air in the front and pull moisture out the back.Youth 360° BOA Fit System integrates a fit dial below the helmet shell and provides for micro adjustments in a complete halo around the wearer's head.Expedition Fleece - on liner and ear pads is low pile, pill resistant, and moisture-wicking for maximum warmth during high heat ridingFidlock snap helmet buckle uses magnets to allow you to open and close the buckle with one hand, even when wearing gloves.All Anon products are backed by a 1-year warranty from date of purchase. Anon helmets are also backed by a 2-year crash replacement policy.