Waterproof, windproof shell100-gram insulationPartial elastic waist with snap and zipper flyRip-&-grip hip pocketsReinforced with Iron Knees and Seat: soft interior fabric patches that help prevent holey knees and seats so they can wear again and again!Grow-A-LongT™ legs extend up to 2 inches to fit them as they growZip ankles fit over or into boots; elastic snow gaiters inside block out cold and snowShell/lining/trim: 100% nylon. New with tags. Size 10