The Thorlo Experia X SPEED Ultra Light Low-Cut with Rocket Grip is a lightweight and durable sock that stays put when headed towards sport or adventure. The anatomical fit delivers a specific fit to the left and right foot, and Rocket Grip technology hugs them in place. The recycled nylon blend wicks sweat, dries quickly, and maintains comfort when pushing your physical limits. Finished with the Ionic+TM technology to eliminate odor-causing bacteria, keeping feet smelling fresh throughout the day.