The 5.11 Tactical PTX-2 Training Sock features multiple cushioning zones to maximize comfort, plus compression zones and a compression arch band for superior support. Combining high-performance polyester fabric with copper threads for antimicrobial properties, this ankle-length sock is designed to wick away moisture and help reduce odors, keeping your feet cool, dry, and comfortable for the long haul. A breathable upper weave allows additional moisture release, and the tab-top cuff adds padding around the collar. Heel, sole, and toe reinforcements offer enhanced performance and durability. Imported.