Circuit Wavecel Helmet Color:Lava/Dnister Black for extra protection from the

for extra protection from the elements

1-oz NetPlus 89% postconsumer recycled nylon/11% spandex mesh

High-water content sterile hydrogel and made with 95% pure water

S/M fit sit-bone width of 9-12cm

Circuit Wavecel Helmet Color:Lava/Dnister Black for extra protection from theTrek Circuit Wavecel Helmet Whether your finish line is on the race course or your front door, Trek Circuit WaveCel delivers the performance, comfort and tech to be your go to helmet. It's equipped with features that any rider will appreciate, like WaveCel technology, a BOA Fit System and Blendr mount systems. WaveCel is a collapsible cellular structure that lines the inside of the helmet. This Trek exclusive technology disrupts the safety standards