and strategically placed underarm ventilation panels push heat out when the effort picks up -- keeping you cooler on climbs and summer rides when you need it most

Made of Nylon and EVA

If you are just getting started with triathlon

Breathable and quick-dry performance fabric

S1 Lifer Helmet - Black Matte Keeping Vert Dead ElectricGOBIKE and strategically placed underarm ventilationWe are proud to offer the S1 Lifer Helmet x Keeping Vert Dead collaboration. Wade and the crew at K. V. D. are serious about their corpse grinds, morbid inverts, and high flying reapers. The S1 Lifer Helmet is one of the best fitting and safest helmets for Skateboarding, Longboarding, BMX, Scootering, Roller Skating and Roller Derby. The Lifer Helmet uses a specially formulated EPS Fusion Foam which allows it to protect your head from multiple low