All style on the outside, all commuter on the inside. Performance stretch twill with a slimmer, tapered leg for cycling. Reflective tape on roll-up hem for night-time jaunts. Curved articulation at the knees. Diamond-shaped action gusset. "Mudflap" reinforced heel cuffs. Imported. 79% cotton/18% nylon/3% spandex. Slim fit.