●Sizing & fit: Large dog Harness Size fits dogs with 18 to 30-inch neck, 24 to 34-inch chest ●see size chart TO the left for further details ●Product comes with hassle Kurgo against manufacturer defects when purchased from authorized seller. For questions, please contact Kurgo customer service at 877-847-3868. ●Perfect for active dogs: Great harness for dogs that are very active and love being outdoors whether it¡¯s on a run in the neighborhood, A hike on a trail, camping in the woods, or a walk in the park ●Large dog Harness also features front leash ring to train dogs not to pull