Who says you can't have it all? Our Vertex Ultra-Light Cushion has the sleek feel of a super stripped down, lightweight running sock still delivers cushioning just along the bottom of the foot. The ultimate in lightweight comfort. DarnTough Vertex No Show Ultra-Light Cushion socks Features Performance Fit: No slipping, no bunching, and no blisters. Fine Gauge Knitting: Unprecedented durability and our unique “put it on, forget it’s on” feel. Fast Action Wicking: Pulls moisture away from skin. Fast drying. All Weather Performance: Cool in the summer, warm in the winter. Naturally Antimicrobial: Repels bacteria and odor. Guaranteed For Life: No strings. No conditions. For life. Merino Wool: The ultimate fiber for breathability and comfort in all conditions. True Seamless™: Undetectable seam fusion for an ultra smooth, invisible feel. Ultra-Light Cushion: Provides a light layer of cushioning along the bottom of the foot. Ultra-Light, ultra-comfortable. No-Show Height: The toughest sock you’ll never see. When your shoes are on this sock is gone. 51% Merino Wool 46% Nylon 3% Lycra® Spandex