Weaver® Breakaway Nylon Halter Leather Pole & Throat Snap a convenient breakaway halter features a 1" nylon construction, oblong buckle holes, box-stitching at stress points and true-to-fit sizing. Also features brass plated double crown buckles, adjustable chin, and a sewn-in, non-rust solid brass throat snap. Rolled Throat on 1" widths (Yearling to Large Horse sizes), Flat Throat on 3/4" width (Weanling/Pony). See the size chart photo for sizing.