DOCO® Athletica Air Step-In Safety Harness (DCA202) High-density air mesh fabric Breathable and ultra-lightweight Double-layered mesh for higher tensile strength Reflective edge stitching throughout the collar to ensure nighttime safety Strong D-ring to hold the leash and ID tag Durable plastic buckle on top for easy wear and removal Triple-slide system for easy size adjustment Bright colors that are easy to see at all times! Size chart