We make these chaps from premium high grade cowhide leather.Thigh Zipper Comfort system for easy on and off. The inner front thighs of the chaps have spandex on the back of the thighs for expandability if needed. On and off with top quality zipper leg closures with silver snap buttons on the bottom, two pockets, belted waist closure all add up to long lasting durable wear. Going for a long ride? These chaps give you the extra comfort you need!