An ideal training sock engineered specifically for outdoor activities. Anatomically sculpted and cushioned cross-training sock with ample venting. Cushioned under heels, ball and toes for added protection. Ankle height for added comfort. 360 degrees of venting cools the foot. Ideal for speed hiking, cycling, running, and cross training. Best for use in warm weather. Consists of 42% nylon, 28% merino wool, 28% isolfil, 2% Lycra(R). Wash inside out in cold water, tumble dry low. Available in a 3 pair pack.