All round weather protectionthis mid weight jacket is waterproof and windproof using a 2 layer fabric that is fully seam sealed so you remain dry and comfortable in all weathers a mesh lining helps wick sweat away as you build up warmth so you39ll always remain feeling dry inside and out you39ll also find zipped underarm vents so you can increase air circulation if you find yourself a bit too warm for low light riding endura have added reflective detailing on the sleeves as well as fron