NRS HydroSkin 0.5 Shorts - Men's 0.5 mm Terraprene neoprene with heat-reflecting titanium cuts the chill on cool days Four-way-stretch Powerspan exterior allows unrestricted movement, and the soft ThermalPlush lining feels great against your skin Paddler-specific design allows unrestricted freedom of movement and puts seams where they won't cause irritation A zippered stash pocket in the waistband lets you keep small essentials handy A drawcord in the waist cinches with a barrel lock for a secure fit