The Ultimate get out of jail free card, the 7mesh Copilot Jacket weighs a scant 253 grams and not only packs into it's own storage pocket but will also clip to your bike so you'll always have it on hand when needed.
Built from Gore-Tex Paclite Plus for total dependability when the weather does take a turn for the worse and with a drop hem and thoughtful cut you'll be comfy in it on or off the bike, and with best in class breathability moisture stays well controlled throughout.