NRS HydroSkin 1.5 Jacket - Women's A convenient front-entry zipper makes the HydroSkin 1.5 Jacket easy to put on or take off as conditions change 1.5 mm Terraprene neoprene with heat-reflecting titanium providessubstantial warmth without sacrificing comfort or mobility VaporLoft fleece lining adds warmth, dries in a flash and feels greatagainst the skin Four-way-stretch PowerSpanexterior stretches with your movements forunrestricted paddling Paddler-specific design puts seams where they won't cause irritation