The Evolution Step-In Harness is the next-generation update to our best-selling Step-In Cirque, designed to meet the demands of today’s premium pet market. Engineered for comfort, durability, and modern style, this harness delivers a secure, easy-to-use solution for small dogs. Explore the details V-Neck design reduces pressure on the dog’s trachea Constructed with lightweight, breathable fly knit bonded to soft mesh for added comfort Step-in design minimizes stress for dogs that are uncomfortable with items being placed over their head Hook-and-loop fastener allows for precise adjustment and secure hold Durable buckle closure adds an extra layer of security Dual D-rings provide reliable leash attachment points Reinforced stitching increases strength and durability for everyday use Size Girth XS 38 - 43 CM (15-17in) S 41 - 46 CM (16-18in) M 43 - 51 CM (17-20in) L 48 - 56 CM (19-22in) XL 53 - 58 CM (21-23in) Stand your dog on top of a hard surface. Use a soft measuring tape to measure your dog's girth (the widest circumference around your dog’s chest). Select the harness size from the chart above that best matches your dog's girth measurement. If the measurement falls between two sizes, it's recommended to opt for the larger harness size to ensure your pet's comfort.