Fantastically ventilated with 31 inlets. The One® is also perfectly designed to hold your sunglasses in its ‘Sunglasses Garage’ if you remove them during the race. With a focus on safety, The One® features a specially-designed BOLLÉ LED. Its Click-to-Fit™ System ensures a perfect adjustable fit and its interchangeable winter and summer linings allow for year-round use. Complete with a detachable visor for mountain biking, The One® offers you everything you need in a cycling helmet.