The 5.11 Speed 4.0 8" Side Zip Tactical Boot comes equipped with polishable leather uppers reinforced with nylon for durability. Force FoamA(R) heel cushioning, an OrtholiteA(R) footbed, and a high-abrasion mesh tongue make sure your feet are feeling good no matter the job. The ASTM slip- and oil-resistant outsole and heat deflecting layer work together so you don't feel the heat when your feet hit the street. Polishable leather upper reinforced with nylon for added durability High-abrasion mesh tongue for added breathability 5.11 Heat Deflect insole layer for deflecting radiant heat from the ground OrthoLiteA(R) footbed ASTM slip- and oil-resistant rubber outsole YKKA(R) side zipper with VELCROA(R) zipper tab Force Foam heel cushioning Order today!