Twisted X Men's Composite Waterproof Work Boot. Twisted X cowboy work line now offers the TWX Toe! It meets all the requirements and protection of a steel toe but is 1/3 less weight! And of course, it carries the Twisted X comfort of our XSD insole board with built-in composite shank for foot stability while the padded collar provides ankle support. The SD molded, memory foam footbed is antibacterial, moisture wicking and machine washable and protects from foot fatigue.