This is a high-quality dog harness you can use year round with or without the Kumfy Pax. Kumfy Tailz has been designed with input from licenced veterinarians and thoughtful dog owners all over.Harness-specific. Dual-action harness helps keep dogs warm in winter cool in summer.. Attractive breathable mesh outer fabric in contemporary colours Red Black Royal Blue and Pink.. High-quality durable mesh harness can be used year round with or without the Kumfy Pax gel pack.Harness Features & Benefits. Non-toxic water soluble reusable and replaceable gel pack lasts approximately 1 hour.. Every harness comes with one Kumfy Pax that can be heated in a microwave or cooled in a freezer.. Kumfy Pax pouch includes three layers of protection and insulation to maintain temperature of gel pack.. Adjustable neck belly strap and extender allow for custom sizing.. Double buckle system reduces discomfort for dogs with arthritis joint or hip problems with easy off easy on.. Elongated back strap with lower D-ring prevents choking spinal and tracheal damage. Also reduces rubbingunder front legs.. Washing machine safe.. Colour- Black.. Size - X-Small.. Item Weight - 1.4kg. Sizing Weight- 6-6.8kg.. Neck Range 28cm - 33cm .. Belly range - 30cm - 36cm .. Kumfy Pax Size -5.1cm x 18cm .