Pearl Izumi Women's Select Tri Shorts Main Body: 88% nylon 12% elastane Chamois: 100% polyesterWaistband (for 3ER only): 92% polyester 8% elastane Imported 88% Nylon 12% elastane, UPF 50 Plush elastic silicone leg gripper, one easy access envelope pocket Reflective elements for low-light visibility, 8-Inch inseam for size medium Not recommended for use in chlorinated pools Tri quick-dry fleece chamois SELECT transfer fabric sets the benchmark for compression and moisture transfer Flatlock seams Flattering wide waistband with flat stretch drawcord for superior comfort