S/M fits women's shoe 6-10 and men's shoe 5-9.
L/XL fits women's shoe 10-14 and men's shoe 9-13.
Whether your are enjoying Winter sports or sipping hot cocoa by the fire, these jolly red, green, and white Christmas Sweater Wool Sport Socks keep your feet, warm, dry, and festive in all weather conditions.
• Superior wicking and durability
• TURBOwool deluxe wool blend is 5x stronger than Merino wool alone
• Year-round performance: warmer in winter; cooler in summer
75% Turbowool (50% Merino Wool, 50% Polypropylene), 15% Nylon, 10% Spandex