Darn Tough's Tab No-Show socks won't weigh you down. Plus they've got that handy lil' tab on the back. Runners and cyclists love this sock's dialed-in precise fit. Ultra-light and ready to roll. 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.