Red Gi Pants by KO Sports Gear &ndash; 100% Cotton Preshrunk Rip Stop &ndash; Black Stitching, Belt and Trim BJJ Jiu Jitsu Rip Stop Cotton Importado 10oz Rip Stop Cotton fabric, very durable. Double Fabric in the knees and lower leg and rope belt for a secure fit. Contrasting stitching, belt and trim on these gi pants makes the colors pop. KO Sports Gear inner lining band on inside cuff of pant leg for better wear. Pre-Shrunk, AZO free, safe dyes and mercerized for strength.