Trek Blaze WaveCel Mountain Bike HelmetGo big on comfort and coverage Blaze WaveCel is like two MTB helmets in one. Removable 3 4 coverage, allows you to choose added ear protection when you need it or opt for a traditional half shell. Either way, you get the lighter, cooler benefit of updated WaveCel. With a BOA Fit System, lay flat camlock straps and Fidlock buckle, fit is simple to dial in for all ride comfort. Product details Built with the latest WaveCel technology for a lighter and