Acrylic Yarn With Antimicrobial SpandexStay Up Rib CuffLogo Embroidery On CuffSnug Fit HeelArch Support Rib KnitCompression Ankle Rib BandToe And Heel CushionReinforced Ghost Seam Toe BoxFit: ASI FITWeight: MIDWEIGHTFabric: 83% ACRYLIC / 15% NYLON / 2% SPANDEXS/M = US 5 - 8.5L/XL = US 9 - 13