Twisted X Buckaroo Copper/Blue Longhorn 17" Cowboy Boot. This boot features a 17" Top, underslung heel, leather construction, blunt toe, and a double stitch welt. Twisted X is dedicated to making better boots. Twisted X boots use newer technology, stronger and lighter weight components, and new tanning processes, as well as newer and more consistent manufacturing techniques. Twisted X technology gives you more durable, stable, light weight, breathable, and comfortable boots.