Bettinis Pull Over Bralette Top in Black. - size XS (also in ) Bettinis Pull Over Bralette Top in Black. - size XS (also in ) 83% nylon 17% spandex. Adjustable shoulder straps with back tie closure. Front ladder cut-out. BTIN-WX155. 728. Bettinis bikinis fun, flirty and a full of life. Coming from the inspiration of North Carolina oceans, sand and seashells, Bettina gives a play on her name to create Bettinis so that every wearer can feel posh running down the beach.