Large Male 10-13 Female 11-14 Shie Sizes * P.f.s. Night Splint. Indications: Designed To Treat Plantar Fasciitis Achilles Tendoritis And Heel Pain. Allows The Patient To Apply Consistent Stretch To The Plantar Fascia By Holding The Foot In Gentle Dorsiflexion.foam Wedge Is Included For Additional Stretch On The Plantar Fascia.lightweight Design For Patient Comfort While Sleeping. Fits Either Left Or Right Foot. Color: Gray