The Ultralight Socks from OTSO are designed to offer the greatest lightness, breathability, and elasticity on the market. Three essential features to guarantee comfort and performance during your training sessions and competitions. Resistant to high temperatures and humidity. Prevents overheating and ensures air circulation and freshness, so you can finish your workouts with dry feet. Ergonomic, highly elastic, and seamless fabric that embraces the foot in a natural and pleasant way. Provides a perfect fit, avoiding any form of friction, chafing, or blisters.