Weight: 424g; 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 In-mold shell construction fuses a lightweight polycarbonate shell with an EPS and WaveCel liner for sleek comfort and a low-profile fit Passive ventilation channels, highlighting WaveCel material through 10 vents that draw fresh air in the front and pull moisture out the back In-shell 360° BOA® Fit System features a fit dial just below the helmet shell that provides 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® fleece on liner and ear pads is low pile, pill resistant, and moisture-wicking for maximum warmth Compatible with audio accessories; Certification: CE 1077B & ASTM 2040
