CW-X Conditioning Wear Women's Pro Shorts 80% Polyester, 20% Lycra Elastane Imported Our Patented Support Web provides excellent muscle support for hip, quadriceps, lower back and hamstring Coolmax fabric help keep you cool and dry Flat seam construction eliminates abrasion and bulky seams while enhancing fit and comfort The Support Web provides lower back support. Provides a suspension system for the hamstring muscles. Also supports the quads and hips Excellent support before, during and after activity. Before - to warm up muscles, During - to maximize support, and After - to accelerate recovery COOLMAX fabric keeps you cool and dry