Fitting a collar to an Irish Wolfhound requires measurements that exceed what most pet stores stock on their shelves. Adult Wolfhounds typically need collar sizes in the 20- to 26-inch range, and the collar width should be at least 1.5 inches to distribute pressure across the neck without digging into the skin or fur. Narrow collars can cut into the coat and create irritation, particularly in a breed with a wiry, textured topcoat.
Martingale collars are widely recommended in the sighthound community and are an especially good fit for Irish Wolfhounds. The sighthound head shape — narrow skull tapering to a long muzzle — makes it easy for the dog to slip out of a standard buckle collar by backing up. Martingale collars tighten gently under tension without choking, preventing escapes while remaining comfortable during normal walking. Many sighthound specialty vendors offer martingale collars in sizes and widths suited to giant breeds.
Harnesses are a good alternative for dogs that pull or for owners who prefer to distribute leash pressure across the chest and shoulders rather than the neck. Front-clip harnesses can help redirect pulling behavior, while back-clip designs are more comfortable for casual walking. Given the Wolfhound's deep chest and long torso, sizing can be tricky — measure the girth at the widest point of the ribcage and compare carefully against the manufacturer's size chart before purchasing.
Leashes should be sturdy but not excessively heavy. A six-foot leather or biothane leash in a standard width handles the strength of a Wolfhound without adding unnecessary bulk. Retractable leashes are generally not recommended for giant breeds because the thin cord or tape provides poor control if the dog lunges, and the mechanical components can fail under the sustained pull of a 150-pound dog. A simple fixed-length leash gives the handler better control and the dog a predictable range of movement.