The Colombo Harness is a breathable harness for every day; yet the style is far from everyday. Welcomed air ventilation is thanks to the distinctive ‘peek-a-boo' cut-out on the back. Perfect for playful dogs.N.B. The turnlock is a closure device and must not be used as a leash attachment. Practical aesthetics.The peek-a-boo cut out on the back allows for all manner of outdoor adventures without getting too hot and bothered. Get set. Go.The very first time you put the harness on; adjust the buckles to get the perfect fit. The Colombo Harness is then easily put on or taken off each time using our signature turnlock instead.N.B. The turnlock is a closure device and must not be used as a leash attachment.