Premium harness leather is processed with oils and waxes for a great feel and superior durability. The tapered cut, from 2 to 4, allows this breastcollar to fit more comfortably across the horses shoulder. Complete with two adjustable length tug straps and a girth snap for easy on/off. Stainless steel buckles for easy fit adjustments.... - Royal King Harness Leather Breastcollar.