Find Clovia Women’s Pack of 6 Cotton Non-Padded Wirefree T-Shirt Bra– (Colors and Prints May Vary) at Amazon. A strapless bra is a wardrobe essential for most women. Strapless bras are great for tops that are strapless, or with unconventional designs. For example, strapless bras work great for tube tops, but they are also great for halter tops, or tank tops with thin straps. Strapless bras also work well for shirts with open necklines (Such as boat neck styles), or large arm holes. Strapless bras are essential for a lot of formal and evening wear as well.