This harness is designed for the outdoors and tested on large and adventurous dog's, the extreme harness provides ultimate security and comfort, and functionality. The harness features heavy-duty components, including sports buckle, padded grab-handle, rust resistant nickel-coated D-ring and reinforced nylon stitching. It is fully padded with breathable mesh lining for comfort. The harness is fully adjustable for a secure fit, with a removeable chest pad for increased freedom of movement. This harness is adventure ready with increased functionality including tool holderlders and accessory clip. Available in 4 sizes - Small (51-67cm), Medium (68-86cm), Large (71-96cm) and XLarge (87-120cm) These are girth measurements. Available in 4 colours Black, Red, Pink & Blue