Which dog has the most Texas Fight? It's the dog wearing the collar and leash that reads "The University of Texas". These dog collars are available in 4 adjustable lengths while the 6 foot leashes come in 3 matching widths. These 100% nylon collars and leashes are soft on the neck and hands yet durable enough for any rowdy Longhorn pet. When your dog sports the Orange and White, watch for the Longhorn Stampede. Hook 'Em Horns!