Trail running 100% nylon; 65% polyester; 35% viscose Apex Heat antibacterial and deodorising insulation keeps warmth during extensive trail running. Zoning functional design divides the core areas for better warmth, and the sweating areas for breathability. 3D sleeve shape fits better with the human body structure to allow free movement. Self-storage design allows it to be stuffed into the hood, making it easier to pack and carry. Reflective printing improves night running safety. Fit: Athletic