100% Recycled Polyester. Design: Angled, Logo, Reflective Detail, Textured, Vertical. Neckline: Crew Neck. Sleeve-Type: Short-Sleeved. Fabric Technology: Moisture Wicking. Logo, Reflective Detail, Side Seams, Textured. Suitable for: Running, Training. M: 40 in. L: 44 in. XL: 48 in.