Dahlia Women's No Show Non Slip Liner Dress Socks - (4 Pack) Rayon/Cotton 3-dimensional, form-fitting design allows for comfortable fit and ultra low cut for a truly no show liner sock Cotton bottom absorbs sweat and each different liner sock sides allows for uses with different shoes Non-skid silicone patches on the bottom of socks and either silicone on inner rim or silicone patch on Achilles Size S/M for women size 5-8 in 4 pair pack; available in all nude, all black or combo and Size M/L in all nude Risk-Free Shopping: quality assurance in addition to a no-question-asked return policy A form-fitting cut means it tightly follows the contours of the feetto enable the socks to stay on the feet while being ultra-low cut. It is the same technique used in a custom-tailored strapless gown to prevent it from slipping down. Such a form-fitting design results in socks with a molded and more shoe-like shape, wrapping and hugging your feet instead of relyingonly on stretchy material which can leave uncomfortable deep impressions on your feet. Extra silicone patcheseitherby the Achillesor on inner rim adda 2nd layer of protection from slippage andthe silicone on the sole prevents it from sliding inside the shoes. Lightweight cotton is used for the sock bottoms to absorb sweat without adding heat Use of high quality silicone enhances its durability while keeping its shape after wash