The Ledge MIPS helmet features a clean, minimalist skate-style design with Hard Shell Construction built for street and park riding. Under-the-hood muscle meets modern technology with MIPS (Multi-directional Impact Protection System), removable Auto Loc 2 Fit System and ample venting. The Ledge is super modifiable with removable goggle retainer and earpads to get just the right look. Round style is shaped to fit more rounded heads Construction: Hard Shell Construction, MIPS Equipped Fit System: Auto Loc 2 Fit System - removable, On-The-Fly Vertical Tuning Ventilation: Super Cool Vents, Stack Ventilation Removable goggle retainer Removable earpads Compatible with aftermarket Giro audio systems Seamless Compatibility with all Giro goggles Compliance: ASTM F2040-11/CE EN1077 Weight: 17.6 oz / 500 g (Size M)