I've heard that the straps of the bra provide most of its support so I'm curious how does a strapless bra work, are they just not as supportive?
Most Helpful Girl
Straps are not supposed to provide most of the support. If that is the case then you are wearing the wrong bra size. The band provides 80% of the support. The reason so many women have issues with strapless bras is because they are wearing bras that are too big in the band. Straps hide the issue by taking on more support than they are supposed to but in a strapless it becomes incredibly obvious. When I wore 34C I always had problems with strapless but in 30F I no longer do. It is still a little less supportive than a regular bra but not nearly as bad as when I was wearing a 34 band on my 30 inch ribcage.1