Keep your dog cooler on hot summer days spent playing outside with the Ruffwear® Swamp Cooler Dog Vest. Utilizing natural evaporative cooling, this vest combines full shade coverage and a special 3-layer construction to maximize cooling for your favorite 4-legged friend. Vest combines an absorbent middle layer that holds water for evaporation with a special wicking outer layer that encourages evaporation and reflects heat to optimize cooling. The vest's comfortable inner layer transfers the cooling effect from the outer 2 layers to your dog. An active fit design, this vest provides for full range of motion. Side-release buckles on each side of the jacket make it easy to slip the jacket on and off. Reflective trim for safe low-light visibility. Leash portal on back for easy attachment. Cooling dog vest for hot conditions Maximum cooling through evaporation and heat reflection Special 3-layer construction Side-release buckles for easy on/off Reflective trim for safe low-light visibility Leash portal on back - easy attachment Good used condition, some small snags in the gray material but no major flaws.