Lighter and faster. Weighing less than 20g, the Multi-Sport Socks from OTSO are super lightweight and offer the best comfort sensation. The perfect fit. Ergonomic and seamless design that naturally and pleasantly hugs the foot. With a support band on the plantar arch that allows a perfect fit, preventing any type of friction, chafing, or blisters. Challenge the heat. Breathable fabric resistant to high temperatures and humidity. Prevents overheating and provides air renewal so you can finish your training and competitions with dry feet. Like walking on clouds. "Cushion" zones on the heels and toes for softer impacts and extra protection to make them super resistant and durable.