For nato fan we made one really cool nato strap . We use  double tanned leather from French tannery  , ready for patina . This strap is not same as all you see on the market , we made "filetage " (the small black line you see ) , edge coated etc  . We use a trick to center the buckle on your wrist .
Porvide with engrave atelier romane quality buckle.
color : Tan barenia