The leather on the CRKT Woods Chogan, Woods Kangee, Woods Nobo Mask Leather Sheath is 1.7 oz. full-grained leather that is heavy duty and hand crafted in Oregon, USA. The leather is vegetable tanned and will not corrode metal. It has a hand oiled finish for durability and the seams are locked stitched with heavy weight nylon thread.FeaturesFull-Grained LeatherDesigned to fit the CRKT Woods Chogan (product 810881), Woods Kangee (product 740025), and Woods Nobo (product 318191)