Immersion Research Rival Long Sleeve Paddle Jacket Constructed with lightweight, 3-layer waterproof/breathable 70 denier nylon taffeta Seam taped throughout Semi-dry neoprene neck with glued in latex wrist gaskets eliminate most water from entering Waterproof/breatheable nylon taffeta inner tunnel creates a watertight system with a sprayskirt Neoprene wrist ovver gaskets ensures the durability of the wrist gaskets