Underwire desgin provide a gentle support to large bust. Anti-slip silicone strips at top and bottom of bra bring good stability. Smooth surface for invisible looking under clothes. Side boning and elastic underbust band to prevent shift and assure custom fit. Optional straps adjust to multiple needs. Triple support and anti-slip with no poke underwire, wide side boning and silicone strips. With optional straps, the bra can be cross-back, halter-neck to meet your different occasional needs.