UNIQUE LIGHTWEIGHT DESIGN - RECOMMENDED BY OLYMPIC RUNNER: CHOOSE BETWEEN 5-Pack. you get the absolute best running sock on the market. We use hand-linked toe closure to avoid blisters and the mesh construction secures maximum ventilation. The high-quality stitching with anti-bacterial yarns guarantee amazing comfort and make wonders during running, cross fit, fitness, triathlon, biking, hiking or for everyday use and in sneakers. FIT & DESIGN: The heel and toe areas are reinforced to maximize comfort and prevent friction. The heel tab prevents the Low Cut Pro sock from slipping into the shoe. Being crafted in breathable fabrics with technical cooling panels to wick away sweat and with anti-blister zones in heel and toes, these socks will keep you feeling cool and comfortable even during your most intense workouts. The perfect gift for all athletes.