CARE: Machine Wash Cold, Gentle. SIZING: Small - Women 6-8 /Men 4-7, Medium - Women 8-10 /Men 7-9, Large - Women 10-12/ Men 9.5-11, X-Large -Men 11-14. WARM WEAR: Specifically designed for those with cold and aching feet – indoors and outdoors. HYPOALLERGENIC: Specialty yarn blend to keep sensitive skin happy and odor-free. SPACIOUS FIT: Less restrictive ribbing around the ankle that promotes blood flow circulation. These socks keep cold, aching feet comfy and cozy, and are especially great for diabetics, neuropathy, rheumatoid arthritis. COMFORT CONTROL: Created for those that prefer a more spacious, less-restrictive fit round their lower legs. These socks keep cold, aching feet comfy and cozy, and are especially great for diabetics, neuropathy, rheumatoid arthritis. Moisture-wicking for warm, dry feet that stay comfortable all day. GUARANTEED TO BE SHIPPED WITHIN 24 HRS. The warmth you need, the generous fit you want. A warm and exceptionally soft sock with less restrictive ribbing around the ankle to help promote blood flow circulation. Machine Wash. Alpaca Fleece, Non Dyed. Made in the USA or Imported. 43% alpaca /43% acrylic /8% nylon /6% elastic.