Australian Outrider Collection Breastplate Martingale A traditional breastplate designed to keep the saddle from sliding backwards while allowing the horse full freedom of movement. Sturdy leather throughout with full adjustments. Item Specifications: Size: Small: Circumference around neck: 46-52" Wither Strap: 8" Breast strap: 20-23" Full: Circumference around neck: 52-56" Wither strap: 9" Breast strap: 22-25" Material: Leather