Medela Easy Expression Bustier, medium, nude. 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 mom's body to provide exceptional fit and comfort throughout the pumping journey. Can be worn alone or over a nursing bra or camisole. Easy care nylon, spandex blend fabric is machine washable. Tip: Use Medela Quick Clean breastmilk removal soap for safe, effective cleaning of pumping and nursing apparel.