5.11 Tactical Men's Speed 3.0 Side Zip Black BootThe 5.11 Tactical Speed 3.0 Side Zip Boot delivers outstanding tactical functionality. This tactical boot is constructed with a 1680D nylon upper and a polishable leather toe. It is lightweight and breathable and features a Strobel sock and Ortholite insole for added cushioning and comfort. The padded tongue offers easy wear and a secure fit. The lining has an anti-microbial treatment that will keep you cool and comfortable all day long, while the 14mm heel-to-toe drop will keep you secure. There's a nylon shank for torsional rigidity and stability and the self-cleaning forefoot lugs, fence climbing lugs, and arched lugs have been added for traction assistance on ladders and ropes. Lastly, these boots have the highest rating for oil and slip resistance to keep you safe on the job. US men’s 14.