These Chelsea boots are built on a sturdy yet lightweight Tract sole with all of our core DNA in place - yellow stitching and a scripted heel loop. Crazy Horse is a heavyweight leather with a rugged, textured appearance, designed to look worn in from the first step. Made with a comfortable and durable cemented construction. Natural-type oil-finished leather, with a worn-in appearance. The sole is cemented to the upper - a durable and flexible construction for all-day comfort.