OSABASA Women's 3 to 5 Pack Thin Casual No Show Socks Non Slip Flat Boat Line 78% COTTON / 20% POLYESTER / 2% POLYURETHANE Elastic Comfortable Flat Boat Line Socks of Silicone Anti-Slip Heel Grip Style no : 1 or 3 or 5 Pair Pack Machine Washable KWMS058 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) Soft and comfortable premium cotton keeps your feet cool and comfortable! Comfortable low cut No-Show Socks for your everyday active lifestyle . Machine Wash in 40 C / 104 F. Avoid Bleaching or Ironing the socks. The socks are comfortable, durable and they wick away sweat. Colors are a good match for all your sneakers, boat shoes, loafers, etc. Reinforced Toe and Heel Soft &amp; Breathable by Premium Combed Cotton Quadruple Curved Heel Grips No show socks with anti-slip silicone which prevents you from slipping in shoes