Special Features:

Shock absorbent; will not bottom out or wear out; w/flexible cylinders to trapthe air and allow it to act like shock absorbers; for use with all types of footwear; lab tested to withstand 5.6 million impacts (eqivalent to 5 years every day walking; one size fits all; may be adapted for small feet with sharp scissors

Properties:

An item specifically designed to be worn next to the heel inside the shoe. Can be used in most conditions such as heel fascitis, chondromalacia, shin splints, heel neuroma and heel spur, for reducing/relieving heel pain. May be shock absorber.