SOXBOX one-size unisex crew socks are designed to be comfortable, stretchy and accommodate a variety of feet. Generally, SOXBOX crew socks will fit a men's US shoe size 7-13 and women's shoe size 8.5-14.5. Due to the complexity of various designs of our socks, stretchiness may slightly decrease. Rest assured, you can shop with confidence with our 7-day no questions asked return policy. For any questions, please visit the contact us page! To initiate a return, visit the returns page!