Twisted X Ruff Stock Bomber Blue 13" Top Cowboy Boot. This boot features a blunt toe, riding heel, full grain leather construction, double stitch welt, and a 13" top. 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.