Under Armour Feather Shield Women's Running Shoes Synthetic-and-mesh ** UPDATED ** Thinner Midsole - To allow allows greater stability due to its lower to ground profile. Full-Length Micro G Foam - Turns cushioned landings into explosive take-offs. TPU Spring Plate - Add a bounce to each step, converting downward heel-strike energy into forward energy. Padded MPZ Tongue - A great modular protection zone desgined to help protect the upper of your foot from abrasion. Moulded 4D Foam Sockliner - Conforms to your foot's exact shape, eliminating slippage.