These supportive Reebok, Florsheim, Rockport Postal Footbeds feature Total Cushioning Technology (TCT) that is desgined exlusively for USPS workers. It is made to absorb shock and provide deep layers of cushioning over long distances day after day; which delivers superior comfort. The high density polyurethane will never lose its cushioning; while the gel pad absorbs heel strike impact. These removable footbeds are available in Men's whole sizes only.