Weaver Leather Stockman Tapered Breast Collar with Spots, Russet, The Stockman Collection is constructed from Hermann Oak russet harness leather that has an antiqued look and breaks in easily for an amazing feel. From ropers to trail riders, this all-around collection of tack is a great choice. This tapered breast collar has a Horse Shoe Brand floral stainless steel ring designed by Jeremiah Watt, a leather backer and a width that tapers from 1-1/2" to 1". Non-rust stainless steel hardware. Horse size.