The Rapid Response Rb Is A Field-Proven Tactical Boot With Advanced Comfort Technology And Durability For Modern First Responders, Law Enforcement Officers, And Military Professionals. The Leather And Ballistic Nylon Upper Is Resilient Enough For Rugged Terrain And Urban Landscapes. The Eva Midsole, Embedded Shock Eliminator Heel Cushion, And Foot Force F2a Footbed Work Together To Provide All-Day Cushioning And Comfort. Features An Aggressive And Iconic Mountain Trail Rubber Outsole.