Design Philosophy Whether you are riding competitively or for fun, this waterproof shell jacket is a best-selling and race-tested road essential. So light and compact that it can be stowed in your back pocket, ready to deploy. ExoShell20ST Fabric Light-weight, compact, waterproof and breathable ExoShell20ST fabric offers a breathability of 20,000 gm/m2/24hrs. The built-in stretch allows an athletic cut without flapping and the translucence on the white colorway is perfect for race number visibility. Hi Vis Detail Powerfully reflective detailing on the cuffs and hems makes night riding considerably safer. Fit Minimalist cuff finish so it fits snugly around the wrist without need for an adjuster and yet has enough stretch to allow the hand to pass through comfortably. Microfiber hem gripper with silicone print for a secure hem fit. Includes a stuff sack for stowage when not in use.