The Ruffwear Web Master Harness multi-use dog harness The Web Master is the preferred dog harness used by many avalanche rescue dog teams in the United States. This harness makes a great collar alternative and is ideal for hiking, scrambling, and mobility assistance. Don't compromise on your dog's comfort - the Web Master is available in 5 sizes , so we have the right fit for your canine friend regardless of their proportions. Select the correct size based on your dog's girth (measurement around the widest part of the rib cage). XX-Small: 33-43 cm (13-17 in); X-Small: 43-56 cm (17-22 in); Small: 56-69 cm (22-27 in); Medium: 69-81 cm (27-32 in); Large/X-Large: 81-107 cm (32-42 in). For in-between sizes, choose the smaller size. Furthermore, with five different points of adjustment, a padded handle and two lead connection points, comfort and convenience for both you and your dog are guaranteed. The foam-padded internal construction only adds to this comfort and ensures that all-day wear is possible. Washing instructions: Secure fasteners, hand wash with mild detergent and air dry.