HydrX 5,000mm/5,000g/m. Shell durable 300d polyester shell with HydrX laminate. Lining moisture wicking quick dry mesh lining. FXR Dry Vent system - snow proof and moisture resistant side chest and side body vent system. Removable liner - FXR Thermal Dry active liner with 200g Thermal Flex fill. 360 Reflective Inserts, Shock-cord adjustable collar and bottom hem, removable/adjustable hood, adjustable cuffs with lycra inner cuff extensions.