PRODUCT DESCRIPTION: The Incrediwear Infrared Circulation Socks relieve pain and discomfort for those suffering from poor circulatory conditions. Our unique design features a non-binding, loose weave, offering a relaxed fit. These socks are not compression socks and are intentionally designed to be less constrictive. For a perfect fit, consider sizing down if your shoe size is at the lower end of our provided range. Embrace the comfort of our Circulation Socks without the tightness of compression socks. SIZING: Based on shoe size. Size down if you're at the lower end of a size range. Check our size chart S M L XL (CREW ONLY) MEN4 - 6.5 MEN7 - 9.5 MEN10 - 12.5 MEN13 - 15.5 WOMEN 5 - 7.5 WOMEN8 - 10.5 WOMEN11 - 13.5 WOMEN14 - 16 EUR35 - 38 EUR39 - 42 EUR43 - 46 EUR46-49 TECHNOLOGY AND SPECS: Incrediwear’s signature fabric blend is embedded with semiconductor elements to provide effortless comfort and exceptional durability Loose-Fitting Increases blood flow Effortless comfort APPLICATIONS AND USES: For best results, wear the Circulation Socks to alleviate symptoms associated with: Neuropathy Plantar Fasciitis Vascular Conditions Cold Feet Wash and Care Instructions: Incrediwear Circulation Socks are easy to clean. Wash warm or cold. Tumble dry low. Do not bleach, iron or dry clean.