The Luke Vest Harness is a step-in harness with a backside hook and loop closure and quick release buckle. Though the chest size is not adjustable like the "over the head" type A harnesses some people have found this harness to be more comfortable and easier to put on the dog. This fashionable all season harness features a Checkered pattern and solid schemed. Matching leashes available and sold separately. Available in Aqua Blue and Pink in sizes ranging from Small to X-Large.