This Vertex sock delivers the best of both worlds. It's an insanely stripped down running sock that still delivers the perfect amount of cushioning along the bottom of the foot. Who says you can't have it all? If you're looking for a running sock that loses the weight without sacrificing comfort this is the sock for you. True Seamless construction reduces hotspots and blisters. Ultra high stitch count creates a super comfortable sock with a streamlined fit like no other. No slipping, no bunching, no blisters. Fine gauge Merino Wool makes this a fast drying and breathable all weather sock that stays cool in the summer and warm in the winter. And since Merino Wool is naturally antimicrobial this sock repels bacteria and odor when you're laying down the miles. Still made in Vermont. Guaranteed for life.