Powered by specially sculpted Thorlos pads in the ball and heel provide protection from friction, the primary cause of blisters, and impact protection where needed most.
Ultra-lightweight sock frame made of Lycra mesh provides contoured aerodynamic glove-like fit and maximum breathability
Achilles-tendon pad protects the heel from rubbing/chaffing/blistering, while also functioning as a heel lock, assuring your sock won't slip down into your shoe
Runner's World Gear Award Winner called "the best of both worlds"
Padding Level: Sculpted Thin Cushion
Guarantee - Your feet will feel better or your money back