All runners know, hot weather, moisture, or constant friction, are some of the biggest disadvantages we face. Instead of making enemies, Rockay is focused on making friends. This is why our product will work effortlessly to keep your feet cool, dry, and free of any irritating ailments. We want all our customers to be 100% happy with their purchase. To support you and your running goals and continue to reap the benefits our socks offer. This is why all Rockay Socks come with a lifetime guarantee. If your sock tears or lacks basic functionality, we will send you a new pair of socks.