NRS HydroSkin 1.5 Shorts - Men's 1.5 mm Terraprene neoprene with heat-reflecting titanium provides substantial warmth without sacrificing comfort or mobility VaporLoft fleece lining adds warmth, dries in a flash and feels great against the skin Four-way-stretch PowerSpan exterior stretches with your movements for unrestricted paddling Paddler-specific design puts seams where they won't cause irritation A zippered stash pocket in the waistband lets you keep small essentials handy