Pearl iZUMi W Pursuit Attack Bib Short Main Body: 88% Nylon/12% Lycra Elastane; 80% Polyester/20% Elastane Imported SELECT transfer Dry fabric sets the benchmark for compression and moisture transfer Center bib clip allows for customizable front strap position W's Select pursuit 1: 1 Chamois is smooth next to skin for cushioned, chafe-free comfort Drop-tail design for innovative convenience 8 inch inseam [size medium]