O2 Rainwear: Our ultra lightweight and packable Original Series gear is the most affordable breathable rain gear you can buy. Get the jacket with or without a hood, but it comes in just one color: safety. It?s perfect for casual riders or dedicated race spectators. Product Details 100% 2Layer Polypropylene Waterproof, Breathable, Windproof Extremely Lightweight & Compact Ultrasonically welded waterproof seams Stand-Up Collar Elastic Wrist Cuffs Water Resistant Zipper Drop-tail for road spray protection Packs into a handy stuff sack made of same material (comes with product) Form Fit Weight: Avg. 4 ounces depending on size