Immersion Research Nano Short Sleeve Paddle Jacket - Men's Short sleeve, high performance paddling shell great for all types of kayaking Waterproof breathable 70D nylon taffeta construction with WhiteOut laminate All seams taped for maximum waterproof-ness Neoprene neck band and bicep cuffs keep almost all water out while still remaining comfortable Wide, sticky neoprene tunnel integrates with a sprayskirt to keep boat and paddler dry