Lite, Waterproof, Breatheable and Moveable. Nuff said.
JL Flashlite Velo Jacket Features: High SoftNeck, 2-inch Drywick or Stretch Mesh side panel for movement and breath-ability. Waterproof FlashLite Shell, Full-Length Zipper with WindCover Strip, Two Zippered Rear Pockets, Grip tape at waist. Venting Back Panel, 1-inch Reflective Strip on backflap.