• U.S. shoe size: men’s 7–13, women’s 8.5–14.5
• 53% cotton 45% polyester, 2% spandex
• Threads are OEKO-TEX certified, meaning no harmful chemicals
• Made in Korea

Step back, there's a genius at work! These genius men's socks with knobs, buttons and dials are great for engineers, scientists and other people using their mega brainpower on a daily basis. Wear “Genius at Work” socks for men and let everyone know that you've got this!