Whether it's used as a lightweight barrier jacket or packed away in your jersey pocket for emergency use, the Madison Pac-It Jacket is a must have item on any cyclists kit listMade from a super lightweight ripstop Polyester, this jacket will keep the worst of the wind and the rain outUnder arm venting aids cooling when things start to warm upReflective prints increase your visibility in dark conditionsElasticated hem helps prevent any water or dirt spraying onto your backThe Pac-It Jacket packs into its own fist sized mesh stuff sack that is stitched inside the jacket so you cannot lose itLimited lifetime warranty