Material: Typically crafted from 100% super-combed cotton or a high-quality cotton-spandex/elastane blend for breathability and light stretch.Cup Design: Moulded, non-padded, and double-layered to provide a smooth, natural shape and a seamless look under clothing.Support: Features a broad, elasticated underband for excellent grip, plus a high neckline and cotton sides to prevent spillage and ensure a snug fit.Straps & Back: Usually equipped with adjustable, bi-fold elastic shoulder straps and a traditional U-back design with a standard hook-and-eye closure for stability.