Raising the heel with a heel pad weakens the mechanical forces applied to the foot by the calf, easing pain associated with plantar fasciitis, Sever's Disease, and Achilles tendonitis. FELTastic® Flat Heel Pads are durable, moisture absorbent, compact orthopedic heel pads that won't compress for patients up to 300 lbs. Adhesive-backed. Easily trimmed with scissors to fit into any shoe. Universal right/left. One size. By Myfootshop.com. 3 sizes, 4 per pack. Help reduce heel & plantar fasciitis pain Ease calf & Achilles tendon strain Absorb heel shock Balance leg length discrepancies & improve body alignment Stays in place with adhesive backing Sizes: Medium fits shoe sizes 4-8 Large fits shoe sizes 8-11 Extra Large fits shoe sizes 12+ Indications: FELTastic® Flat Heel Pads are used in the treatment of heel spur syndrome, plantar fasciitis, Sever's disease, retrocalcaneal bursitis, Achilles tendinitis leg length discrepancy, and partial ruptures of the Achilles tendon. Foot Care Tip - Use a heel lift with a calf-stretching program to treat plantar fasciitis pain and Achilles tendonitis. Need more information to decide which heel lift is best for you? Be sure to read our blog post entitled, 'Which heel pad is right for me - relative hardness of heel pads and heel cushions.' Here's a link to our return policies and procedures. SKU#: M1144 1144