NEW and IMPROVED Easy Expression Hands-free Pumping Bustier - now featuring Adaptive Stretch™! Medela's patented Adaptive Stretch technology allows the bustier to adapt to your body to provide exceptional fit and comfort throughout your pumping journey. Can be worn alone or over a nursing bra or camisole. Easy care nylon, spandex blend fabric is machine washable. Great for: Working Moms, Moms of Multiples, Long Commutes. Choose Black or Nude S, M, L.