Strapless bras are especially important for special occasions to be invisible under the evening attire, tube tops and strapless sun dresses. Designed to stay up without straps due to a wider band, supportive boning, silicone strips along the inside to prevent slippage and underwires for more support. A strapless bra without underwires is called a bandeau, offers no support and is recommended only for the smallest cup sizes.
A convertible bra has moveable and often removable straps that detach and can be worn in a variety of configurations: conventional, halter, one-shoulder, off-the-shoulder, crisscrossed, and strapless. Convertible bras are a flexible option since they can be worn with a variety of tops, including boat neck, halter and asymmetrical necklines.
