Stirrup Leathers KL Select full-grain half hole leathers. Holes spaced 1/2″ apart. Made in England. Red Barn Calf Lined Leathers. Calfskin wrapped over nylon web core, with curved buckle. Holes 1/2″ apart. Red Barn Get A’ Grip Leathers. Pre-oiled calfskin wrapped over nylon web core for extra grip, with curved buckle. Holes 1/2″ apart. Black Oak Calf Lined Leathers. Calfskin wrapped over nylon web core, with riveted buckle. Holes 1/2″ apart.