Size: one size EU39-43 Product Category:Boat Socks Color: 5 different colors Material: polyester Season：Four Season Product age classification: adult socks Function: breathable, sweat-absorbent, anti-friction Packing: 6 pairs socks • High Quality Material :Made with high-quality spandex material, these socks are durable and long-lasting. • Warm and Comfortable :These socks are designed to keep your feet warm and comfortable all year round. • Four Seasons Wear :These socks are suitable for all seasons, making them a versatile addition to your wardrobe. Notice: 1. Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! 2. Please allow 1-2cm measuring deviation due to manual measurement. 3. Unit explanation: 1 inch = 2.54 cm or 1 cm = 0.39 inch.