The Ruffwear Swamp Cooler Harness is a dog harness that cools at the same time - it is great for dog's exploring in hot conditions. Simply wet the harness, put it on & go! This multi-use, long length body dog harness has integrated evaporative cooling technology in the back and chest/belly panels. So, if your dog is a harness wearer then the Swamp Cooler Harness is a good way to keep your dog cool without having to layer additional cooling gear over the harness. It also has buckles for easy on/off, is highly adjustable, has a quick grab back handle & strong leash connection points. **NOTE: We stock this harness in Graphite Grey only at the moment. But we can special order in the Biolumin Blue for you (they take about 3 weeks to arrive). Sizing To choose the best size, measure around your dog's chest/rib cage at the widest point. Size Chest/Girth Measure XXS 33-43cm (13-17") XS 43-56cm (17-22") S 56-69cm (22-27") M 69-81cm (27-32") L/XL 81-107cm (32-42") Simply wet the harness. Put it on & go! Key Features Three-layer construction that absorbs water & promotes evaporative cooling the outer layer reflects heat & facilitates evaporation the middle layer is absorbent & stores the water for evaporation the inside mesh layer keeps your dog dry & comfortable Two Back Leash Attachment Points - an aluminium V-ring & reinforced webbing loop further down the back Padded Back Handle for Life & Assists - to help you lift/assist your dog over obstacles - with a balanced lift & load dispersing chest panel Side Release Buckles - for easy on/ easy off Six Adjustment Points for an optimal fit Reflective Trim & a light loop for attaching The Beacon (sold separately) - great for low light conditions Available in Graphite Grey or Biolumin Blue (which is Special Order - approx 3 weeks to arrive). Materials: Outer Layer: Polyester air mesh Middle Layer: Polyester non-woven felt Lining: Dry-weave polyester mesh Webbing: 100% Nylon Buckles: ITW Nexus Mach buckles Leash Connection Point: Anodized 6061-T6 aluminum V-ring Made in Vietnam Care: Secure fasteners Wash in cold water Gentle cycle Use mild detergent Air dry