The Adjustable Racing Harness is a polypropylene sled dog harness with padding around the neck, forechest, and ribs for extra comfort when the dog is pulling. The special H structure ensures even pressure distribution over the dog's body. The adjustable parts ensure that the harness can be perfectly adjusted to any dog. This harness is made of hypoallergenic and breathable material, which is extra comfortable for the dog. Reflective strips ensure that the dog is clearly visible. Ideal for pulling activities, especially for sled dog sports, canicross, stepjoring, skijoring, and bikejoring. But also for long or short hikes where the dog leads/pulls. sizes: SIZE WEIGHT NECK S 20-26 kg 45-49 cm M 25-32 kg 49-53 cm L 31-36 kg 53-57 cm XL 37-43 kg 57-62 cm