Tpr comfort gel thermoplastic rubber combines superior cushioning and energy return for ultimate comfort</br>Anatomical cushioning system dual density gels absorb impact and shock where the heel needs it most</br>One size fits all</br></br>Product Description</br></br>Gel cushioning, slim design. consumers seeking contoured cushioning around the heel area. consumers suffering from general heel pain, heel spurs or bruises.</br><br/>http://www.amazon.com/gp/product/B0012Z7BX6