Wind tunnel tested areodynamic shell shape with an extra large eye port for greater visibility Lightweight, Dual Density EPS (expanded poly styrene) liner Eyeglass friendly design Adjustable chin bar, forehead and front/side vortex vents Two rear venturi exhaust vents Adjustable front/side vortex vents with intake ports create a low pressure vacuum effect that draws heat and moisture out of the face shield area Adjustable chin vent directs air upwards across the inside of the shield to help prevent fogging Nylex interior liner with sewn-in top pad Removable, washable cheek pads Wrap-around neck roll reduces wind noise Optional breath guard and chin curtain Neatly secures chin strap A two-stage pivot mechanism compresses the shield into the helmet to provide a securely tight seal Quarter turn quick release screws 4-position positive-lock ratchet Aerodynamic flush-mounted fit Scratch-resistant coating Optically-correct one-piece design 100% protection from harmful UV rays Exceeds VESC-8