The AERO-TAC is ultra light, insanely tough, and designed to remain comfortable when the shift gets real. Weighing in at just 15.5 ounces for the standard 8-inch model, the AERO-TAC is arguably the lightest tactical boot EVER TPU overlays are seamlessly fused with the mesh, preventing delamination, and resulting in a lighter, more abrasion-resistant surface The proprietary REZ-TRAC tread pattern provides traction and stability in all directions, so you’ll be better prepared for any response Upper Materials: Poly mesh with hyperfused TPU layers Interior Lining: Poly mesh with Aegis treatment UPC 840404218386 Brand First Tactical Color Black Pattern Solid Seasons Fall Heel Type Block Heel Toe Style Round Toe Model Name Men's 8 Aero-tac H2o Side-zip Boot Style Name Men's 8 Aero-tac H2o Side-zip Boot Closure Type Lace-Up Manufacturer First Tactical Style Number 165927 Sole Material Thermoplastic Polyurethane Item Type Name Military and Tactical Boot Outer Material Poly mesh with hyperfused TPU layers Insole Material Polyurethane Material Fabric polyester-blend Shoe Height Map Ankle-High liningdescription Mesh Global Trade Identification Number 00840404218386