Frank Bee 6" Forced Entry Desert Tan Boots Are ISO 9001 Certified. Featuring a suede leather upper with breathable mesh, these boots are designed for ease of mobility. With an EVA midsole and rubber outsole, as well as a mountaineer sole for good gripping, the 6" boots are built for any field condition. The Forced Entry tactical boots also feature a steel shank for support, a comfort collar, and rustproof eyelet system.