Unisex Shoe Size: Women 6-10/Men 5-10. Look, good, feel good. NanoGlide PTFE yarn. Reduces the chance of blisters. Reduces friction, chafing and hot spots. Fast moisture wicking to keep feet dry. Additional Features: cushion sole & arch support. PTFE NanoGlide Yarn: +MD Anti-Blister & Moisture Control Socks with PTFE NanoGlide wicks away sweat, drying quickly and reducing friction; resulting in fewer hot spots and a reduced chance for blistering. Superior Moisture Wicking: +MD Anti-Blister & Moisture Control Socks with PTFE NanoGlide raise the bar by taking moisture management, skin protection, anti-abrasion and comfort to a new level when participating in intense physical activities. Comfort Fit Technology: +MD Anti-Blister & Moisture Control Socks are carefully engineered for your total foot care, without compromising your lifestyle or activity; featuring a non-constricting, roomy toe construction, arch support and cushioned soles for added comfort and wearability. Human data studies have shown these socks to be effective as stated on this package; individual results may vary. These statements have not been evaluated by the FDA. This product is not intended to diagnose, treat, cure, or prevent any disease. Satisfaction guarantee: Your satisfaction is important to us. If you are not satisfied with this product, launder and return it to Customer Service PO Box 6127 North Logan, UT 84341 and we will gladly replace it. www.plusMD.us. Made in China.