The Balega Hidden Comfort No Show Socks offer supremely comfortable cushion and performance mile after mile. Delivering the ultimate protection and impact resistance, Hidden Comfort No Show Socks are composed of extra-fine yarn to provide plush protective cushion without adding bulk. Fit & Design: Delivers ultimate protection and impact resistance with a plush, dense cushioned running sock design and a 200 needle-count fabric Keeps feet cool and dry with Balega's proprietary Drynamix(R) moisture wicking fibers, plus specially constructed, reinforced microfiber mesh ventilation panels Maximizes comfort with hand-linked, seamless, reinforced toe and high heel tab that helps prevent the sock from slipping into your shoe Enhanced elastane provides additional no-slip security Extra-deep heel pocket ensures the perfect fit Each sock is hand-inspected for quality insurance. One-year warranty