CEP Men's Trail Merino Socks is an athletic outdoor stockings that provides a functional fit for trail running and outdoor training. Lightweight and breathable, Trail Merino is built to you keep you running comfortably while reducing fatigue and swelling. Say goodbye to shin splints. Compression model contains the calf and stabilizes the ankle for increased coordination and accuracy. Padded cushioning and seamless toe-closure adds protection against rubbing, blisters and hotspots. 20-30 mmHg compression from ankle to calf, while 18 mmHg consistent compression hugs the calf. Scientifically proven to increase circulation by up to 40%. Keeping you light on your feet and less fatigued on the harshest trails. Finest blend of merino wool is optimized for strength and durability. This lightweight, breathable sock is perfect for keeping skin cool, dry, and comfortable. The best sock for triathlons, outdoor training, and trail running.