About this item The ONLY medically proven soft night splint For Plantar Fasciitis, medical research shows average recovery time of 18.5 days with 97.8% recovering within 8 weeks. Also effective for Achilles Tendonitis and Tight Calves Recommended by top podiatrists, physical therapists, orthopedic surgeons, athletics, and top sports medicine docs. Measurer Calf at it largest point, just below knee Description For Plantar Fasciitis medical research shows average recovery time of 18.5 days and 97.8% recovered within 8 weeks. ONLY medically proven soft night splint.Also effective for Achilles Tendonitis and Tight calves.Recommended by top podiatrists, physical therapists, orthopedic surgeons, athletics, and top sports medicine docs.