Body: 85% Coolmax polyester/ 15% spandex/ Inserts: 85% polyester/ 15% spandex Fabric features Coolmax for enhanced drying & Schoeller silver for odor control Flat stretch seams for a true fit and next to body comfort Double panel mesh pouch is breathable and supportive; Single panel mesh seat is breathable UFC branding left leg at hem; Medium Size has Canadian Flag and Canada written on the back of left leg at hem. Color: Black/Red (Large: 34"-36"); Black/Red Canada shorts (Medium: 30"-32")