Start your day right with midweight socks that keep up. The pro performance sock 2. 0 is our over-the-calf, quick-drying staple that enhances every session. Knit with a comfy, durable merino wool blend, the pro performance is strategically reinforced in critical, high-wear areas to go the distance. It comes in monochrome neutrals and features subtle color pop with branding at the front and heel. New essentials. Made for the ride.