A bra that is looked after will last longer than one that is abused in a washing machine or washed incorrectly. (Bra Care is covered in a different post) There are many factors contributing to the longevity of a bra: 1. You need a minimum of three bras: A bra cannot be worn every day and expected to last. Unfortunately all good bras come at a premium price leaving most clients no choice but to only buy one at a time. But you would be saving money if you budgeted for at least three everyday bras....