Kids' Adidas Little Kid & Big Kid Lumia Marble Sport Slides The Adidas Lumia Marble is a kids' slip-on slide sandal featuring an all-over marble print in an orange and white colorway. Constructed from a single-piece molded upper and footbed, it's designed for casual wear, poolside use, and easy everyday on-and-off. The contoured footbed and lightweight build make it a comfortable warm-weather option for grade-school sizing.