The 5.11 Speed 3.0 Side-Zip Boot is built for superior comfort and stability, featuring our Speed 3.0 Urban outsole, a side zipper for easy-on/off, a fence-climbing toe, and a new high traction oil- and slip-resistant urban tread. This boot is built for the most challenging, active demands of your job. An Odor Control OrthoLite insole and stroble sock enhance comfort and security, and a 14mm heel-to-toe drop ensures an accelerated stance. That's functional speed. Material: Leather, Nylon.