Waterproof, Breathable, and Durable. N’uff said. JL Hytrel Commute Wheel Jacket Features: - High SoftNeck. - 2-inch Drywick or Stretch Mesh side panel for movement and breath-ability. - Waterproof Hytrtel Shell. - Full-Length Zipper with Wind Cover Strip. - Two Zippered Rear Pockets. - Grip tape at waist. - Venting Back Panel. - 1-inch Reflective Strip on back flap. Oh, and it's good looking, too.