Mens sizing will fit a mans shoe size 8.5 13. Fits womens shoe size 9-13. Each pair of Pocket Socks comes with one regular sock and one Zip It Sock with a Pocket.
Metal Detectors will not be set off by Pocket Socks zippers. 75% Soft Combed Cotton, 15% Spandex and 10% Polyester
Machine Care Instructions: Machine Wash Warm Tumble Dry Low Do Not Bleach.