Whether youre fat biking or exploring in the backcountry this winter youll benefit from the fruits of specializeds collaboration with 686 in this case theyre talking about the all new specialized 686 x tech insulator jacketstarting at the exterior youll find that the tech insulator is constructed from a woven fabric thats been given a dwr coating making it water resistant moving beyond this layer of the jacket specialized have incorporated 100g primaloft insulation to keep you cons