FOOTWEAR HAVING SLOW RECOVERY LINER

摘要

A cushion for use inside footwear having an interior for receiving a foot of a wearer. The cushion includes a liner made of cushioning material. The liner is sized and shaped for reception on an interior surface of the footwear in a position for engaging the foot when the foot is inserted into the interior of the footwear for cushioning an interface between the foot and the interior surface of the footwear with which the liner is engaged. The liner includes a visual cushioning indicator for visually indicating the operability of the cushion to perform a cushioning function during an immediately prior use by the wearer and for subsequent use.