SmartKnit Seamless Diabetic Socks Completely free of seams & SmartKnit socks fit like a second skin and are recommended for people with diabetes, arthritis, or any condition where protection from irritation is important. Truly seamless - prevents blister-causing pressure points often caused by bulky and uncomfortable sock seams. Form-fitting design - fits like a second skin, with no wrinkling or bunching and help in reducing the chances of circulation restriction. Non-binding Halo TopTM - Elastic-free top helps prevent painful leg indentations. High-tech fibers Polyester & Lycra Machine wash warm. Tumble dry low. No Bleach. 100% USA Made