Lanston Vice Crop Top in Black. - size L (also in ) Lanston Vice Crop Top in Black. - size L (also in ) 52% polyurethane 38% poly 10% spandex. Lightly padded cups. Adjustable shoulder straps. LANS-WS437. L 1361VC. Lanston is a modern, luxurious and affordable fashion basics collection, that provides timeless pieces in a contemporary market.