PediFix EZ Mornings Plantar Fasciitis Nighttime Stretching Splint Small. The PediFix EZ Mornings Heel Relief Stretching Splint relieves heel pain caused by Plantar Fasciitis and Achilles Tendonitis . The heel free design is cool and comfortable. Heel pain is most often related to strain or microscopic tears of the " Plantar Fascia " ligament on the bottom of the foot that connects the heel to the toes. Achilles Tendonitis has similar origins that cause lower calf pain. This unique Stretching Splint helps relieve pain from both these conditions. The EZ Mornings Stretching Splint maintains ligaments and tendons in a "stretched" position throughout the night, so morning pain is dramatically reduced, and healing proceeds faster. Adjustable stretch. Sizing is approximate. Small fits shoes sized 5-9, Large fits 9+. One Splint sold individually