CW-X Men's Performx Tights 80% Coolmax/20% Lycra Imported The 4-way stretch CoolMax fabric keeps the body cool and dry, pulls moisture away from the body and transports it to the outside of the tight Our patented "support web" targets support to the hip flexors, IT bands, quad muscles, calf muscles and the knee joint Our "support Web" acts as a suspension system for specific muscle groups providing increased power and additional support and alignment CoolMax fabric keeps your body dry and comfortable Flat seam construction eliminates abrasion, increases comfort and enhances fit by reducing bulky seams