This bra is filled with heat-sensitive foam that initially feels firm to the touch, but expands and softens as it warms with your body heat. Oh great, because it isn't hard enough already to figure out what size bra to wear, now I have to deal with a shape-shifter? Count me out.
The idea is that as you get into more heated situations (read: aroused), your cleavage will grow larger to match. Putting aside the fact that this makes no sense – what if I'm just in a warm room? – isn't making part of your body grow to match your arousal infringing on male territory?
We suggest shopping our Bra Guide instead for something that's guaranteed to stay the same size no matter what, or who, is on your mind.