Make sure grandpa wears socks that rule with this fun pair of colorful novelty socks just for him. He's the greatest grandfather there is, so let him throw out his parenting rulebook and show off his playful side with this delightful pair of footwear. Black crew socks feature colorful triangle designs for a look that will go wherever he does. Reinforced toes and heels. Novelty socks make a great choice for a grandpa's birthday, Father's Day or Grandparents Day.