As we mentioned before in our last post on the Lynco L220 Insoles, many Lynco Shoe Inserts now ship for free! We have been able to work with our supplier and cut costs on these popular items. We then passed the savings on down to you because you are the most important asset to the Diabetic Shoes HuB. Take advantage of this free shipping offer on Lynco models such as the Lynco L200, the Lynco L600, and the Lynco L400 series of diabetic insoles. The design of the Lynco orthotic arch supports incorporates a semi rigid rubber core for stability and support, surrounded by two distinctive layers of cushioning foam for unparalleled comfort. They have a triple layer design for maximum support and comfort.