If you get just one helmet, make it this oneWhether 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 that the industry has accepted for over 30 years.Product detailsWaveCel advanced helmet technologyThe BOA® Fit System lets you easily secure and adjust your fit with one handThe Blendr magnetic mount system easily integrates a GoPro camera and Bontrager lightsMade of 50% post-consumer recycled polystyreneFlatStrap semi-fixed strap dividers lay flush and move fore and aft for a perfect fitSoft, comfortable, moisture-wicking and washable helmet padsReflective elements on the back of the helmet offer enhanced visibilityThe Cras