The Slip-on Harness offers numerous benefits for your dog, including: Neoprene and foam lining throughout to prevent irritation. A non-restrictive design that allows for freedom of movement. Adjustable metal straps to ensure a perfect fit around the waist. Durable stainless steel hardware. Duraflex clips; are recognized as the best on the market. The Y-shaped design promotes natural shoulder and body movement, providing your dog with unrestricted breathing.