If you get just one helmet, make it this one
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.

• An ultra-versatile helmet that is light, cool and sleek with the added protection of WaveCel helmet technology.
• WaveCel advanced helmet technology
• The BOA® Fit System lets you easily secure and adjust your fit with one hand
• The Blendr magnetic mount system easily integrates a GoPro camera and Bontrager lights
• Made of 50% post-consumer recycled polystyrene
• FlatStrap semi-fixed strap dividers lay flush and move fore and aft for a perfect fit
• Soft, comfortable, moisture-wicking, and washable helmet pads