CW-X Mens Insulator Stabilyx 3/4 Tights 80% Coolmax/20% Lycra Imported Hand Wash Warm stretch" temperature-regulating fabric offers comfort in Fall/Winter conditions. The patented support web provides targeted support to the hip, Pelvic and knee joints The support web provides extra support to lower abdominal muscles, hips and lower back for extra stability and power The support web provides support for the hamstring, quad, calf muscles and it band Flat seam construction Versatile performance - can be used for both outer wear and as a base layer