Open Box Dealer Demo Black Diamond Half Dome Helmet Octane Small Medium. Now redesigned the helmet features a new lower profile suspension system with a one-handed dial combined with streamlined headlamp clips for added comfort and simplicity. Finally an updated chin strap adds more efficiency and security while on the rock. Specifications for Black Diamond Half Dome Helmet: Manufacturer: Black Diamond Gender: Female Color: Octane Fabric/Material: EPS/ABS Features of Black Diamond Half Dome Helmet EPS impact foam and durable ABS shell Updated low-profile suspension system Streamlined lightweight headlamp clips One-handed fit adjustment dial Easily adjustable chin strap Package Contents: Black Diamond Half Dome Helmet Black Diamond BD6202098001S_M1: Half Dome Helmet Octane Small Medium