Plantar Fasciitis Night Splint Night splint for plantar fasciitis keeps your foot stretched and relieves painful symptoms of plantar fasciitis and Achilles tendonitis while you sleep, providing gradual corrective orthopedic support for flat arches, foot drops, heel spurs and more.One Size Fits Most Adult Men and Women. This night splint is suitable for ankle circumferences of 8" - 15" and can be worn during the day or at night. Fits both left and right feet.Material Design Ultra-soft and breathable foam padding in the back position can provide a cushioning effect for the pressure of the support brace during the night. Elastic band can be adjusted to the correct size and position according to different tightness requirements. Easy to wear and take off. .Aluminum Bar Design: The embedded lightweight and flexible aluminum bar on the instep holds your feet at a 90-degree angle and keeps your foot in a flexed position, providing strong support to your ankle. Please bend the aluminum strip and adjust the radian to make your foot comfortable when trying.