Endura pakajak jacketthe ultra lightweight pakajak jacket from endura uses ripstop fabric to protect you from the wind and keep you riding for longer the ripstop nylon is completely windproof with extra protection also provided by the elasticated cuffs hem and back of collar packability is also good with the jacket coming with a stuff sack that fits in a jersey pocket with room to spare cycling activefeatures material 100 polyester ultra lightweight and windproof ripstop fabric laser c