25% Lycra, 75% Nylon Offers sturdiness and stability to your foot with a snug fit, and still allows for full range of motion May help reduce plantar fasciitis, achilles tendon, metatarsal, heel pain symptoms and swelling Could assist in quicker recovery Breathable and comfortable as we use anti itch material Insulated to keep your foot and ankle warm, and offer great heel & arch support Helps provide arch support that could aid in better circulation Stays in place and does not slide down Retains shape even after multiple washes Material made will help reduce odor Allows greater flexibility & motion with no skin chafing or irritation These foot sleeves come in a pair (2 sleeves) - you can use them for each foot, or keep the other as a backup