Adjustable Night Splint: This Adjustable Night Splint Provides relief from the discomfort of plantar fasciitis. Lightweight and flexible one-piece shell. Adjustable flexion straps help Provide gentle stretching of the plantar fascia and Achilles tendon. Adjusts from 10Ã‚Â° to 90Ã‚Â° dorsi-flexion. Includes a cool foam liner and padded calf and ankle straps for added comfort. Large. Shoe Size: Men's 9-1/2 -11-1/2, Women's 10-12-1/2.