Size: 25-27cm Classic and Versatile: Simple and pure white, suitable for formal leather shoes, casual sneakers, sports shoes, and other types of shoes. Easy to match for business offices, daily travel, sports and fitness, etc. [Mid-Tube Leggings] The mid-tube style covers the calf area just right, keeping you warm to some extent and adding a layered feel. [Elastic Sock Opening] The ribbed design of the sock opening has good elasticity, fits snugly on the calf, is non-slip, and doesn't feel tight. Comfortable to wear for long periods. Exquisite Craftsmanship: The overall workmanship of the socks is delicate, the seams are flat, and there are no obvious roughness or thread ends, making them safer to wear. [Bulk Sale Combination] Sold in groups of 10 pairs to meet daily replacement needs, eliminating the need for frequent purchases, and offering peace of mind and affordability. *Because we also sell on other sites, items may sell out. Thank you for your understanding.