The Kirkland Signature Men Athletic Crew Full-Cushion Socks in Black are designed for maximum comfort and performance during various athletic activities. Made with a blend of 63% cotton, 16% polyester, 16% REPREVE recycled polyester, and 3% other materials, these socks provide excellent arch support and are cushioned for added comfort. The mid-calf length makes them ideal for activities like gym training, running, and sports like basketball and soccer. With 8 pairs included in the pack, these crew socks from Kirkland Signature are a reliable choice for active men looking for quality and style in their athletic apparel.