Keep everything stowed for an all-day outing or extended trip to town in these streamlined packs. Features include: independently adjustable fleece lined chest harness, two zippered pockets with rain flaps, single haul handle on the top of the pack, compression straps, D-ring attachment point for leashes, mesh pocket on the top for leash stash, reflective trim, and an internal valuables pocket. * Small: 9'' x 14'' x 8.5'', 15.5 oz. Breed/Weight: Cocker Spaniel / Terrier, 20-40 lbs. * Medium: 11'' x 16'' x 10.5'', 1 lb. 3.5 oz. Breed/Weight: Golden & Labrador Retriever, 40-80 lbs. * Large: 13'' x 20'' x 12.5'', 1 lb. 8 oz. Breed/Weight: Saint Bernard / Great Pyrenees, 80-110.