The Birki's by Birkenstock Y2K Hawaii Tiki Sandals are colorful slide sandals featuring a buckle closure and adjustable strap for a comfortable fit. The sandals are designed for casual occasions and have a flat heel for all-day comfort. The outsole is made of rubber, and the upper material is plastic with a synthetic lining. The sandals are adorned with a tropical patchwork pattern, logo accents, and are part of the Birkenstock product line. These unique and stylish sandals are perfect for summer outings and feature a Hawaii Tiki theme, making them a fun and vibrant choice for any wardrobe.