McKesson Orthotic Insole Full Length EVA / Polyester / Polypropylene / Poron® Female 10 to 10-1/2 / Male 8 to 8-1/2 Black / Blue (1205391_BX) 1/BXPolyester top fabric helps reduce friction and resist odor. Contoured polypropylene layer helps support the heel and arch and provide stability. Dual Poron cushioning disks provide extra heel padding. EVA (ethylene vinyl acetate) foam base helps prevent shifting and adds durability. Moveable from shoe to shoe with no trimming required, full length insoles replace original shoe insoles for enhanced comfort and support. Cleaning and care: Wipe with a