These Heavy Duty Reinforced Heel & Toe Socks are perfect for work and outdoor activities. Made from a blend of Polyester, Cotton, and Elastane, they feature a Full Terry pattern and a mid-calf length. The socks are designed specifically for wearing with steel toe cap work safety, and they come in a pack of 12. With a range of features including cushioning, non-slipping, and moisture-wicking, these socks are suitable for all seasons and activities such as gym & training, cycling, and hiking. They are available in black and are perfect for men who wear size 6-11. Please note that the washing water temperature should be below 30 ℃ to avoid shrinking or losing softness.