evo.com | Specialized Bike Helmets > The Specialized Dissident 2 MIPS Bike Helmet uses five strategically placed EPS foam inserts to create a lightweight and energy-managing helmet for serious downhill riders. The softer foam density absorbs more impact energy, increasing rider safety, and MIPS Evolve Solution provides added rotational protection. The head scoop channels air in and strategic vents let warm air out, so you can keep a cool head when it matters most. Three Layer Construction Carbon Shell / Poly Carbonate / EPS. Strategic Vents Direct Warm Air Out Hood Scoop to Channel Cool Air Replacement Crown Pad and Two Sizes of Emergency Quick-Release Cheek Pads Carbon Shell + Polycarbonate & EPS | Specialized Dissident 2 MIPS Bike Helmet 2025 - X-Large in Black