Neoprene dog harness in our vibrant prints. Fully adjustable around the neck and chest for a perfect fit with soft padded neoprene fabric for added comfort and breathable mesh interior to keep your pet cool and comfortable. Smooth and resistant nylon webbing straps for easy adjustment with quick-release and D-ring for leash attachment. Harness Size Chart XSMALL Neck 11.4"- 14.2" Chest 14.2"-18.9" SMALL Neck 13.8"- 17.3" Chest 16.1" - 21.3" MEDIUM Neck 15.4"- 20.1" Chest 18.1"- 24" LARGE Neck 16.5"- 22" Chest 22.4"- 32.7"