CW-X Insulator Endurance Pro Tights - Men's The CW-X Insulator Endurance Pro Tight is made with WarmStretch temperature-regulation fabric. Unique Support Web structure provides overall balanced Targeted Support to the legs with particular emphasis on the hamstrings and quadriceps muscles. Windproof, water repellent front panel. Flatseam construction offers comfort. Reflective logo. UPF 50+, key pocket. Double reinforced waistband with flat drawcord. Women's tight has a CoolMax® gusseted crotch liner. 80% nylon/20% Lycra®. Imported.