Lighter and faster. Weighing less than 20g, the Multi-Sport Socks from OTSO are super light and offer the best feeling of comfort. 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. Defy the heat. Breathable fabric resistant to high temperatures and humidity. Prevents overheating and provides air renewal so you finish your workouts 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.