First Tactical AERO-TAC 5in Side-Zip Mid Tactical Boots - Men's Regular Black 11. Weighing just 15.5 oz for the standard 8-inch model it delivers running-shoe comfort with tactical-grade performance. A breathable upper with hyperfused TPU layers ensure long-lasting durability while the REZ-TRAC outsole grips in every direction. Whether youre on patrol or responding to a call the AERO-TAC helps you become Better Prepared To Respond. Specifications for First Tactical AERO-TAC 5in Side-Zip Mid Tactical Boots - Men's: Manufacturer: First Tactical Gender: Male Age Group: Adults Boot Shaft Height: 5 in Boot Style: Tactical Boots Apparel Fit: Secure Toe Type: TPU toe cap Activity: Duty Insole Material: Ortholite Footwear Closure: Side Zip Odor Control/Anti Bacterial: Yes Seasonal/Temperature Use: All Seasons Footwear Upper Fabric/Material: Poly-mesh and TPU Midsole Material: EVA TPU Lining Material: Polyester Mesh Features of First Tactical AERO-TAC 5in Side-Zip Mid Tactical Boots - Men's Upper Materials: Poly mesh with hyperfused TPU layers Interior Lining: Poly mesh with Aegis anti-microbial treatment Zippers: YKK Shank: Nylon Toe Protection: TPU toe cap Insole: Ortholite with open-cell technology Midsole: Proprietary EVA/TPU foam blend Outsole Slip Resistance: exceeds EN 20345:20222 and ASTM F3445-21 Metal-free Package Contents: First Tactical AERO-TAC 5in Side-Zip Mid Tactical Boots - Men's First Tactical 165928-19-11 R: AERO-TAC 5in Side-Zip Mid Tactical Boots - Men's Regular Black 11