CoolMax CoreSpun fibers are spun around Lycra to create a single yarn, so these socks provide: Unsurpassed Moisture Management, Blister Protection, Low Pilling, Abrasion Resistance, the Best Elastic Support Available & an Extra Smooth, Looped-Toe. Made in USA.

• Small: US Men 3½-7 Women 5-8, European 35-39½
• Medium: US Men 7-9 Women 8½-10½, European 40-42½
• Large: US Men 9½ - 11½ Women 11½ -13, European 43-45½