Don't just beat the heat - crush it. This Ultra-Light Coolmax sock is ready to roll when the rest of the world is inside hiding with the AC on. Coolmax yarns are engineered to move moisture away from your skin, to be fast drying and to enhance comfort. True Seamless construction assures a smooth fit and reduces blisters and hot spots. No slipping, no bunching, no bull. These puppies stay put and in place all day. High stitch count means less bulk and more comfort. Still made in Vermont. Guaranteed for life.