Champion Powerflex 9' Men's Solid Compression Shorts Body: 84% Polyester/16% spandex; Inserts: 92% polyester/8% spandex Four-way stretch PowerFlex fabric moves with you and helps support muscles. C Vapor technology quickly evaporates moisture and dries faster for ultimate comfort. Targeted mesh ventilation zones add cooling airflow to gusset and legs. Exposed logo elastic waistband flexes and resists binding. 9-inch inseam.