Twisted X Texas Flag- 12" Top Work Boots. This boot features a square toe, 12" top, leather sole, single stitch welt, and a walking heel. 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.