SUGOi Men's RS Pro Bib Knicker Body and Leg Band : 78% Nylon, 22% Spandex, Bib : 84% Polyester, 16% Spandex Made in the USA or Imported Re-engineered leg opening with silicone printed inner tape for a smooth, low profile fit Ultra Aero fabric, featuring excellent stretch and recovery, offers outstanding moisture management and breathability Formula FX chamois for all day comfort in the saddle Flat seams for increased comfort