The pinnacle of the Smith snow helmet line and has all the features, Mips, Koroyd, Fidlock, AirEvac vents, audio pockets, etc... This helmet was never worn outside of trying it on. So it's brand new. I'm having to defer my ski-season so I won't be using this and could use the cash. This retails for $350+. FCFS. Venmo or Cash. Message me here. Review: https://thesnowchasers.com/blog/smith-nexus-mips-helmet-review/ Product site: https://www.smithoptics.com/en-us/products/nexus-mips-r Product Details Protection - Hybrid shell construction blends a durable exterior with a lightweight in-molded shell for durability where you need it most while keeping the helmet light Complete KOROYD® coverage for lightweight, energy-absorbing and ventilated impact protection Mips® Brain Protection System reduces rotational forces caused by angled impacts to the head Exoskeleton enhances impact protection in side impact zones Certification: ASTM F 2040, CE EN 1077:2007 CLASS B Fit / Integration - AirEvac ventilation system integrates with Smith goggles for fog-free lenses Removable ear pads for form-fitting comfort BOA® 360 Fit System offers the most adjustable fit with the turn of a dial for on-the-fly micro-adjustability Fidlock® strap buckle offers easy one-hand operation Features - Ionic+® antimicrobial lining offers sweat-activated odor control Dual regulator climate control offers easy, one-handed front and rear vent adjustment Aleck® audio system compatible Weight (Size M): 19oz / 550g