Soft, Multi-Layered Dog Harness - Designed for modern dogs on the move this no pull dog harness features multiple layers to enhance comfort and provide stability including breathable mesh, double-stretch yarn, high-density fabric, and soft velvet | Superior Coolness and Breathability - Offering high-elasticity with flexibility that lets your pet move more comfortably our air mesh fabric keeps pups cool and dry when they're running, hiking, walking, and playing for better pet support | Enhanced Abrasion Resistance - Our heavy duty dog harness vest maintains its shape more effectively and boasts a high-tensile strength to resist normal wear and tear more effectively, so you can get long-term value for all your outdoor adventures | Easy-Clean, Quick-Dry Fabric - We want you and your dog to get outside and get a little sweaty and muddy which is why our soft dog harness made with synthetic polyester dries quickly and is hand washable to keep it clean and fresh | Convenient Sizes for Every Dog - The AeroLite dog training harness with adjustable straps comes in 8 great colors and X-small, small, medium, large, and X-large sizes to fit a wider range of breeds, so you can find the perfect fit for your best friend