Women's Yellow Box Fidra Sandals FIDRA is a stylish and trendy slide sandal perfect for on-the-go fashionistas, featuring two transparent bands embellished with tonal rhinestones that add a touch of glam to any outfit. The bottom of this flat sandal has a round toe shape, with a medium-width inset footbed crafted with Signature Yellow Box EVA above an outsole with a distressed texture and lugged tread.