Injection-molded ABS outer shell is rugged yet lightweight—the best combination of features for a motorcycle helmet Expanded Polystyrene (EPS) safety liner dissipates impact loads without compromising comfort Snaps on brow accept all Biltwell and select other brand bubble shields, visors and optical accessories Removable/replaceable comfort liner and cheek pads feature brushed fleece Lycra touch points to absorb and evaporate perspiration Chin strap features brushed fleece Lycra touch points for comfort and an adjustable strap end retainer Complies to US DOT safety standards Some people prefer the winds of freedom to hit them squarely in the face. If that's your style, Bonanza's your helmet. US DOT-certified for safety. Lightweight and generously padded for comfort.