CW-X 3/4 Endurance Generator Tight - Women'sEnhance your run with the CW-X Endurance Generator Tight. Blending the best aspects of Stabilyx and Pro Support Web™ technologies, this running tight offers one of the most comprehensive muscle and joint support available. Four-way stretch, UV-protective EXO-Stretch™ fabric enhances range of movement and shields skin from harmful UV rays. Body: 70% polyester/30% spandex 4-way Stretch. Support panel: 80% Nylon/20% Lycra 2-way Stretch. Imported.