Fit & Design: Full-Zip Mock neck 4-way stretch fabric offers extreme comfort and allows complete range of motion in your golf swing Waterproof front zipper allows for easy-on and easy-off wear, while protecting you from the elements Seam sealed from complete waterproofing Side pockets Technology: The HydroLite(TM) System is a 100% waterproof shell. Combining lightweight fabrics with a bonded liner, makes this performance piece the lightest garment ever produced by FJ Additional Details: