Material<BR> nylon polyester cotton ripstop<BR> All seams: nylon thread<BR> Metal button and YKK? zippers<BR> As expected there are also good sized cargo pockets,<BR>besides pockets some other nice core features include: <BR>double layer seat /?knee areas for durability,<BR> a rugged metal YKK zipper is used for the fly, knees are slightly articulated, <BR>and a simple velcro strap system in built into the waist to allow for size adjustments.<BR> If looking for a durable pair of pants that are very feature rich, these Pants are certainly worth looking into.<BR> Size Chart: <BR> S : waist 28''-32", Inseam 29''-32". <BR> M : waist 33''-35", Inseam 29''-32". <BR> L : waist 36''-39", Inseam 29''-32". <BR> XL (38): waist 39''-43", Inseam 29''-32". <BR> TIME-LIMITED SALES PROMOTIONS!!! <BR> Check Size Chart below to insure proper fit, the size detail in photo and Product Description.