The Rad Dad M-Crew Socks $14.99 Default Title Add to Cart Please fill in the form below if you'd like to be notified when it becomes available. Your Email Send This site is protected by hCaptcha and the hCaptcha Privacy Policy and Terms of Service apply. BLUE Q You're the raddest dad in town. The gnarliest, the coolest, the most tubular. You know, all that stuff the kids say these days. Men's shoe size 7-12. 51% combed cotton; 46% nylon; 3% spandex.