The Pas Normal Studios Mechanism Thermal Long Sleeve Jersey is designed for optimal aerodynamics, fitting anatomically to your riding position for a streamlined experience. The chest and front arm panels are made from Swiss Schoeller fabrics, known for their wind and water-repellent properties. Meanwhile, the back panel features M.I.T.I. SuperRoubaix fleece, offers a soft and highly breathable feel. Both fabric types are treated with DWR to enhance their hydrophobic qualities and prevent moisture absorption. The jersey also includes a heavy-duty YKK zipper and showcases Pas Normal Studios branding on the chest and a reflective logo on the back.