To ensure maximum comfort and safety, measure your cat's body girth behind the front paws: Kitten 7-11in. girth, Adult 11-20in girth, XL 20-27in girth Designed by adventure cat experts Albert & Mia, Houdini™ is the escape-proof cat harness made for curious cats who love to explore. Built for safety, comfort, and control, it comes with a matching 6ft leash—everything you need to enjoy safe outdoor walks with your cat. Unlike standard cat harnesses, Houdini™ features a unique neck strap system that gently tightens if your cat tries to back out, keeping even the most wriggly escape artists securely harnessed. The lightweight chest mesh distributes pressure safely and comfortably, without restricting movement or causing stress. The harness is fully adjustable to fit kittens, small cats, and large breeds alike, providing a snug, custom fit every time. Why cat parents love Houdini™: * Escape-Proof Design – Innovative strap system tightens safely to prevent backing out, while remaining comfortable and secure. * Easy to Put On & Fully Adjustable – Simple step-in design with secure buckles and customizable fit for cats of all sizes. * Comfortable & Lightweight – Soft, breathable chest mesh allows free movement and keeps your cat cool on every adventure. * Includes a 6ft Leash – Durable, matching leash gives your cat freedom to explore while you stay in control --> How to use the Houdini Cat Harness