78% COTTON / 20% POLYESTER / 2% POLYURETHANEOsabasa is an exclusive socks brand owned by H2H. H2H is the only authorized seller for this product. All other sellers are strictly prohibited to sell different products under our listing on AmazonStyle no : #KMMS019 #KMMS0101 #KMMS0116 1 or 3 or 5 Pair Pack Machine Washable. Also, 100% Brand New and High Quality, Made in South Korea.Premium Quality, Great Fit and 100% no show. Large silicon grip on heel to prevent slippingDESIGNED TO BE INVISIBLE – Wear with your favorite golf shoes, dress shoes, deck shoes, boat shoes, running shoes, climbing shoes, athletic shoes, or any of your other favorite shoes. Perfect with Sperry, Timberland, Bahama, Burlington, Nike, Sebago, Bass, Eastland, Polo, and Addidas shoes.Size : Based on US Shoes Sizes (Heel to Toe). And Machine Wash Or Hand Wash Recommended.