TheBontrager XXX WaveCell Road Bike Helmet delivers high-performance protection and the best in aerodynamics and comfort. XXX is the WaveCel helmet of choice for the Trek-Segafredo men's and women's teams. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Bontrager-exclusive technology disrupts the safety standards that the industry has accepted for over 30 years. Bontrager XXX WaveCell Road Bike Helmet Features WaveCel advanced helmet technology The Boa® System lets you easily secure and adjust helmet fit with just one hand Easy-to-use adjustable strap dividers allow for a fine tune fit An aerodynamic shape helps you outsmart the wind and ride faster AgION antimicrobial pads wick away moisture and eliminate odours naturally Additional NoSweat pad with silicone channel keeps sweat out of eyes for constant clarity Team Trek-Segafredo sticker kit included with Viper Red, White and Visibility Yellow colour schemes The Crash Replacement Guarantee provides a free helmet replacement if involved in a crash within the first year of ownership More info