The go-to helmet for all the right reasons: low profile, lightweight, well ventilated, fashionforward and a perfect fit.Features:- Construction: Hard-Shell - Features: Active Matrix Ventilation. - Udialed Fit System, washable Full-Wrap liner System. - Tool tree removable goggle strap. - Level 3 Baseline Audio System I SUES: S (Sl-SScm). Specifications:- Weight: 490 g