Chum Billy Boot - Jar Babe $195.99 Cowboy style gets a fashionable twist in these over-the-knee boots from Bronx. Chum Billy is a fabulous cowboy-like boot in soft camel brown leather which rises all the way up on the leg to just slightly cover the knee. Details like leather stitching, tabs at the topline and a 3 3/4 inch block heel set these knee boots apart from the rest.