Nato Brown Waxy Leather StrapI believe that there is a sentiment behind choosing a nato watch strap. The nato watch strap originated from the military. Jiyou chose the sea, land and air camouflage patterns in the design navy blue, jungle field green, and mountain field. The three series are full of military style and full of military beauty. . The leather is made of Italian vegetable tanned fine grained cowhide, which is more comfortable and soft to wear.