LifeSocks AirbornePlus Quarter, Merino Socks with Seacell Active 4 centimeters high 11 centimeters wide Specifically designed for sports and outdoor activities, this versatile midweight sock has been designed for superior comfort and protection. Perfect for sports enthusiasts, the Lifesocks AirbornePlus Quarter is the ultimate all-year-round sock High-stretch cuff and trademarked Elastic Support System (ESS) ensures low compression promoting circulation and a sock that won't bunch or ride down Soft merino wool knitted to the inside for superior softness and comfort. Superior insulation properties of merino wool keep the foot warm in winter and at an even comfortable temperature in warmer climates. Merino keeps feet drier by drawing and holding moisture away from the foot Seacell Active, a bioactive innovative cellulose seaweed and silver-based fiber, keeps feet supple and promotes optimal health Strategically placed cushioning throughout and unique patented U shaped pads provide superior comfort and protection. High stretch, non-restrictive double cuff promotes minimal compression and maximum stretch, allowing blood to flow more freely through the lower leg and into the foot