- AETREX. L2220W. WOMENS MEMORY CUPPED/NEUTRAL.The L2220" Memory Foam Series provides unsurpassed comfort and support in most footwear styles. The slow recovery IQ150 memory foam customizes to the shape of your foot to help create a pressure free environment in your shoes. Features a soft CopperGuard" top cover made from state-of-the-art copper fibers to help prevent bacteria, fungi and odor. An advanced Lynco arch support comfortably balances your feet and provides proper body alignment.