The Under Armour Solo Liner no show sock is the perfect addition to your gear bag. Strategic Moisture Transport wicks sweat, accelerates evaporation, and speeds up dry time. Embedded Arch Support reduces foot fatigue and encourages circulation in the foot. Perfect Fit Toe eliminates bunching and abrasion. ArmourBlock® technology neutralizes odor-causing microbes, so your gear stays fresher, longer. HeatGear® works best in weather between 75 and 100 degrees. 88% polyester/11% nylon/1% spandex. Imported.