PREMIUM Plantar Fasciitis Foot Sleeve (1 Pair)   Maximum Compression for Achilles Tendon, Achy Heels, Improved &hearts; Circulation   Anti-itch Anti-odor Anti-chafe Machine Washable Fits Both Feet High quality, durable neoprene and nylon material, which retains shape, even after multiple washes! Helps to relieve ankle and feet aches, with three levels of compression in seven different zones. Assists with reducing plantar fasciitis, achilles tendon, metatarsal, heel aches and swelling. Insulated to keep your foot and ankle warm, and offer great heel/arch support. Anti-bacterial, anti-itch and fights against odors.