Heavyweight and made for superb comfort and support, these blue, cushioned, USPS uniform quarter socks are soft and will hug your feet during those long work days. These heavily cushioned work socks are U.S. Postal Service Approved and are designed with two navy stripes, sure to match any USPS uniform. These unisex postal uniform socks also feature a 83% Acrylic, 8% Nylon, 7% Poly and 2% Rubber construction.