Sports Sock: These Feetures socks are engineered with Targeted Compression and anatomical design that conform to the left and right structure of the foot providing a custom-like fit and reduced risk of blisters Ultra-Light Cushion Sock: Our thinnest cushion option provides a lighter, cooler feel and takes up minimal room inside the shoe No-Show Socks with Heel Tab: These socks have a No-Show Tab that sits just below the ankle for maximum versatility Breathable Socks for Men & Women: These athletic socks are made with iWICK fibers that wick moisture to keep feet cool and dry; mesh construction of these Feetures socks provide ventilation for added breathability; these running socks with seamless toe feature The Perfect Toe Feetures Lifetime Guarantee: Our family-owned company takes pride in products that are built to last, which is why we are happy to provide a Lifetime Guarantee on all our socks; if unsatisfied, return for a replacement