Leading safety features, hassle-free adjustable fit, and a durable hardshell design for kids who are hard on their gear.The kids’ Anon Windham WaveCel Helmet pairs everyday hardshell durability with the advanced impact protection of WaveCel technology.WaveCel is a collapsible cellular structure that lines the inside of the helmet.It’s designed to flex, crumple, and glide to reduce rotational and direct impact forces.A 360° BOA® Fit System offers a 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.Polartec® Power Grid® fleece liner and ear pads maintain quick-drying warmth for all-day comfort.Sleek fixed vents keep the air flowing for fog-free goggles.Features:WaveCel helmets are designed to fit closer to the head, providing a snug, comfortable fit.Please refer to our sizing chart for accurate measurements.If you are in-between sizes, you may want to size up.WaveCel® behaves like a network of hundreds of interconnected shock absorbers connecting your head and the outer shell of the helmet.WaveCel® helps distribute the impact energy through its network of cells, reduces impact forces like the crumple zone of a car, and then helps divert rotational forces by flexing and gliding.Endura® shell construction features an injection-molded ABS exterior for long-lasting durability and ding-resistant strength.Passive ventilation channels built into the helmet draw fresh air in the front and pull moisture out the back.In-Shell 360° BOA® Fit System integrates a fit dial directly into the helmet and provides for micro adjustments in a complete halo around the wearer’s head.Fidlock® snap helmet buckle uses magnets to allow you to open and close the buckle with one hand even when wearing gloves.Polartec® Power Grid® fleece liner and ear pads for lightweight, fast-drying performance.Compatible with audio accessories.Goggle clip is removable without tools.