Ideal alternative to cumbersome night splints. Pulls the toes back slightly, stretching the plantar fascia so it may heal. Also may be worn during the day while seated. Features a Safety SoleŽ nonslip bottom to help prevent slipping. Patented TrioxonŽ lining is clinically proven to maintain an elevated skin temperature while still allowing the skin to ventilate for long-term comfort. Hand wash with mild detergent and air dry.