The 5.11 Speed 3.0 Side-Zip Boot provides superior comfort and stability, with an accelerated version of the A.T.A.C. Boot. Crafted from a lightweight, breathable, moisture-wicking leather and nylon upper, and 14mm heel-to-toe drop, this boot guarantees long-lasting performance. The Ortholite insole and A.T.A.C. footbed and outsole promise superior cushioning and energy return, while the side zipper and fence-climbing toe make for easy on/off. The oil and slip resistant urban tread provides maximum traction.