Our best seller cranks up the heat & puts the Kibosh on drafts without maxing the plastic. Basecamp Fabric Technology 10000mm waterproof rating 10000gm breathability rating DWR coated Critically seam sealed 60G sleeve/hood insulation 80G body insulation Grommet underarm venting Inner Lycra cuffs Powder skirt Reverse Coil Zippers Gaiter connection system ...