The 5.11 Tactical Speed 3.0 Side zip Boots are an accelerated version of the A.T.A.C. Boot, and are built to handle harsh environments. It features an advanced jungle outsole with forefoot lugs, a fence climbing toe, and delivers comfort and stability with oil and slip resistant tread built for traction in wet conditions and rough terrain. With and anti-microbial treatment and OrthoLite insole, these boots will remain fresh and enhance comfort all day long. The 14mm heel-to-toe drop helps ensure accelerated speed so nothing will slow you down.