Medium Fits Size 6-9 Large Fits Size 10-12 BREATHABLE & CUSHIONED FOR COMFORT: These crew socks are designed to keep your feet cool and comfortable throughout the day. Featuring a full cushion sole, these socks provide superior shock absorption, reducing foot fatigue and ensuring all-day comfort. COMFORTABLE FIT COMPRESSION - Targeted compression helps with blood circulation and reduces calf swelling. Ribbed arch straps wrap around your midfoot for support and fit, helping the sock stay in place and reducing slippage. DURABLE CONSTRUCTION: Crafted with high-quality materials, these socks are built to last. The reinforced heel and toe provide added durability, making them ideal for daily wear and intense workouts. MADE IN KOREA exclusively for Culture & Nature, Co. Culture & Nature products focus on innovative formulations and natural materials that represent the high quality and uniqueness of K-Culture. Unisex Performance Cushion Crew Socks