Check the listing for details. Big Dog Training Vest Harness Adjustable Nylon Chest Harness Comfortable Control. Color: JY2500164-GY, Condition: New. Listed at 64.99 USD. Superior control for big dogs — Vest-style chest harness with a front-clip design helps reduce pulling and gives you better steering during training, walks, and outdoor adventures. Adjustable, secure fit — Multiple heavy-duty adjustment points across the neck and chest ensure a snug, customizable fit for larger breeds; quick-release buckles make on/off fast and secure. Comfortable, breathable construction — Padded chest and belly panels plus soft, ventilated nylon lining minimize chafing and distribute pressure evenly for long-wear comfort. Built to last and stay visible — Reinforced stitching, a strong metal D-ring for leash attachment, and durable nylon webbing stand up to strong pullers; reflective trim increases nighttime visibility. Versatile control features — Top grab handle for ins.