The Magnum M-P.A.C.T Plus Contoured Comfort Insole is a shock absorbing active contour memory foam insole. It offers three densities of cushioning to provide maximum comfort and ultimate support.The soft upper layer conforms to the contours of your foot for increased comfort while a lighter density bottom layer creates a cradle for your foot providing stability for the arch and heel.Dual impact elastomer pads absorb shock under the heel and the forefoot with every step you take. Plus a moisture-wicking footbed that incorporates arch ventilation for breathability and comfortSoft upper layer conforms to the contours of your foot for increased comfort. Lighter density bottom layer creates a cradle for your foot providing stability for the arch and heelDual impact absorbing elastomer pads absorb shock under the heel and the forefoot with every step you takePlus a moisture-wicking footbed that incorporates arch ventilation for breathability and comfort