Sox Sport Plantar Fasciitis Arch Support Low Cut Running, Gym Compression Socks, SS4011 70% Silver DrystatPolypropylene, 10% Lycra, 10% Nylon, 10% Spandex Imported SILVER DRYSTAT is infused with Silver - using a base material of Polypropylene which is also naturally bacteria resistant. 100% recyclable. Odor happens bacteria comes in contact with sweat. These socks stop bacteria from growing and wick away moisture. 4-WAY STRETCH For consistent compression throughout the entire sock. Each pair is hand tested in our factory for performance and they are WASHED in chemical free fabric softener - making our socks Ready-to-Wear right out of the box. ARCH, PLANTAR, HEEL CUP SUPPORT ZONES. Extra support bands for your plantar ligaments and arch with a deep heel cup and flat toe seam. Every part of your foot is supported without pinching or cutting off your circulation to help prevent injuries. 100% MADE IN ITALY SINCE 1998. Made from start to finish in our own factory - never outsourced to the lowest bidder or built using machines designed for other products with inferior materials. GUARANTEED quality that stands out in your sock drawer.