Reflective & Long Lasting - The large dog harness has a reflective tape around it for safety at night. For the outside of the seat belt, we use high-strength polyester, which is durable, lightweight, and non-toxic, and the inside is breathable mesh, which is soft and comfortable against the skin. Tip: Between two sizes, choose the larger size. 5-Point Adjustment - The no-pull dog harness has 5 convenient adjustment points for a full range of motion. All straps are adjustable for easy on and off. Please measure and refer to our size chart before ordering Control - Ideal for large breeds and especially active dogs, the new dog harness is designed to give you maximum control and support so you can always call the shots. Lift & Assist - Designed for maneuvering, the padded reinforced handle is designed to safely and comfortably help your dog climb up obstacles. Ideal for challenging terrain, working dogs, service dog trainers and amputee dogs. Super Soft Padding & Extra Comfort - Soft extra padded belly and chest panels can help prevent chafing-related injuries, keep you comfortable during training, running or hiking. Multiple points of tension and padding keep your pet comfortable and safe.