100% cotton. Twill fabric. Elasticated waist with built-in belt. Zip fly with button closure. Two slash pockets. Two back welt pockets. Diamond crotch gusset. Straight leg. Regular fit. These are the Gramicci Pants from the climbing-wear extraordinaires at Gramicci. Theyve got the classic Gramicci details, like the elasticated waist and that crotch gusset for extra-flexibility, and theyre made from really tasteful cotton twill fabric that makes em look dead classy. Real high-action trousers for climbing, scrambling, strolling and sitting.