The RockyA(R) Air-Port Footbed is a high-performance, cushioning and comfortable footbed.Arch support comes from the arch lift which conforms to a man&';s foot and rebounds to its prior shape after each use.Not every footbed gives you metatarsal ridge support, but the Air-Port does! It is extremely comfortable and enhances your shoe&';s insole performance.At the other end of your foot, the heel cups impression provides support and comfort.There&';s also 40-density polyurethane to absorb shock. Like the arch lift, it too rebounds to its original shapes after each use.For an extra touch of comfort, this insole is covered with soft, brushed fabric.This footbed does so much to support and comfort, you can stand and work all day! So if you need men&';s boot inserts, get the Air-Port by Rocky. 40 Density polyurethane absorbs shock, then returns to its original shape Heel cup provides support and comfort