Medela Keep Cool Maternity & Nursing Bra DeLuna Elara Chair This incredibly lightweight unit weighs Color:Titanium This incredibly lightweight unit weighs just over 6 pounds and has a comfortable shoulder strap The H5i's Climate Control system continuously measures and calculates five key variables ambient (room) temperature Our 4 way Adaptive Stretch™ technology will see your bra grow with you and extend from pregnancy through nursing – keeping you cool and dry throughout your journey despite your fluctuating body temperature Keep Cool™ Breathable Maternity & Nursing Bra has two integrated breathing zones to keep you feeling cool and new quick dry technology to help balance your body temperature while offering you support and comfort