OSABASA Mens Striped No-Show Socks of Hidden Flat Boat Line with Anti-Slip Grip 78% COTTON / 20% POLYESTER / 2% POLYURETHANE Elastic Comfortable Flat Boat Line Socks of Silicone Anti-Slip Heel Grip Style no : KMMS023 1 or 3 Pair Pack Machine Washable Good Matching for All Your Sneakers, Boat Shoes, Loafers, etc (eg: SP*RRY T*MS C*NV*RSE V*NS) Size : Based on US Shoes Sizes (Heel to Toe) Expedited Post Service: In the case of fulfilled by OSABASA, It takes only 2 to 5 days for delivering after shipping from Korea. (Except P.O. Box)