Crocs Thong Sandals Flip Flops Unisex Size | Mercari。Crocs Athens flip flops in a classic navy blue and white colorway offer the perfect blend of comfort and utility. These lightweight sandals feature the signature Croslite foam construction for all-day cushioning, paired with a dual-density design that provides a softer footbed and a more durable outsole. The wide, comfortable straps include ventilation ports for breathability, while the non-marking outsoles ensure steady traction on various surfaces. Ideal for beach days, poolside lounging, or casual summer outings.