Helps Relieve Achy Heels & Feet! Easily Slips On Helps Boost Circulation Unisex Helps to combat symptoms of plantar fasciitis; ease morning heel discomfort; soothe and relieve achy heels and feet; boost circulation and reduce swelling. Fits Women's shoe 6 - 9.5, Men's shoe 5 - 9.5. Heavenly 7™ design. 7 targeted zones with 3 levels of compression. Thin, comfortable and discreet. Wear barefoot, under stocks or while you sleep. Fits in any shoe. Breathable fabric keeps feet dry. Made with 86% nylon, 14% spandex. Machine washable.