PLATFORM A.T.L.A.S. Technology A.T.L.A.S. is a carefully thought out platform of shoes with many features that have a single purpose - to maximize your performance. The sole pattern ensures that your foot stays exactly where you want it. 5.11 Echo Foam is a polyurethane layer that improves response speed. The Ortholite insole absorbs shocks and the antimicrobial composition prevents odors. A/T MID The ankle model built on this platform is a good compromise between low and high variant. The 3D shaped toe-cap made of thermoplastic rubber (TPR) protects the shoe during more demanding activities in the outdoor. The upper of the shoe is a combination of nylon mesh and polyurethane thermoplastic. The A.T.L.A.S platform will help you with heavier loads. A/T MID FEATURES FROM 5.11 the A.T.L.A.S platform helps with heavier loads medium version of the A / T shoe 5.11 Echo Foam for better terrain response The Ortholite insole absorbs shocks and removes moisture antimicrobial insert prevents odor