Typhoon Helmets TH129 Full Face Snowmobile Helmet with Heated Double Pane Shield Certified to meet the DOT standard (FMVSS218) Quick release micro ratcheting strap for quick on and off and a precise fit every time Double pane HEATED shield with anti-fog coating Adjustable soft lined breath box and chin skirt included Sculpted aerodynamic shell offers a sleek and lightweight design with minimal wind noise Open/close lower air intake ventilation rail; Dual adjustable upper chimney vents Easily removable and washable padded liner with moisture wicking material Drop Down Smoke Sun Shield Includes a drawstring fabric storage bag The Typhoon TH129 is a super comfortable full face snowmobile helmet with a premium interior, fully adjustable ventilation, quick release strap. Designed to be lightweight and aerodynamic, this snowmobile helmet keeps the elements out while keeping you safe and warm. This helmet includes 2 face shields. 1 clear double pane anti-fog heated shield, and 1 clear single pane shield. Both face shields are made with impact resistant polycarbonate and are easily installed (instructions included). Returns Unlike most online sellers we allow you to exchange your purchase for a different size or color. Just return your purchase to us at your expense and we'll send your exchange at no charge to you.