The pinnacle in performance thermal long sleeve riding jersey featuring advanced fabrics & detailing for comfort during cold weather rides Windproof Firewall 180 chest & arm panels with breathable mid-zero thermal insulation in the back Ergonomic collar & sleeve construction for a contoured ride position fit Full length zipper for ventilation Three rear pockets for storing ride essentials Body: 88% Polyester 12% Spandex Front & Top Sleeve: 100% Polyester Face 100% Polyurethane Laminate 100% Polyester Back