Elastic Tight: Strengthen the elastic fabric, 360 degrees to wrap the skin, so that the muscles in a state of excitement, to avoid injury, cramps. **Alert: Order +1 your usual size (Regular Fit);Order usual size ( Extreme Compression Fit). Flat lock seams stitching – allows flexible mobility without chafing or skin irritation. Anti Odor & Anti Itch Material – Keeps you dry and comfortable even with longer use. Ergonomic design compression technology-Promotes faster muscle recovery and blood circulation.