This is an unusual product, it feels like a knit but acts like a technical product. With a reduced-seam construction, it increases range of motion and decreases chaffing for optimum comfort. PrimaLoft® Performance yarn keeps you warm and supported as you stretch, jump and move around the place. Features Circular knitting PrimaLoft® Performance yarn PrimaLoft® Performance yarn dries 20 % faster than 100 % Merino yarns Thumb holes at cuffs Fabric: PrimaLoft® Performance yarn Polyamid mix