An Italian label making comfy and high quality shoes for kids since 1992, Lelli Kelly has earned the loyalty of parents around the world. With robust uppers and a Velcro fastening, the Thunder trainer has a non-slip natural rubber sole that will keep young adventurers safe and supported. An Italian label making comfy and high quality shoes for kids since 1992, Lelli Kelly has earned the loyalty of parents around the world. With robust uppers and a Velcro fastening, the Thunder trainer has a non-slip natural rubber sole that will keep young adventurers safe and supported.