Girls' New Balance Big Kid 545 Running Shoes The Girls' New Balance Big Kid 545 Running Shoes are ready to keep up with her busy day! Featuring a breathable mesh upper, a cushioned Dynasoft outsole for soft, responsive cushioning, and a durable design for lasting wear, these shoes offer comfort and support at every step. Whether she's running, jumping, or playing, these sneakers combine style and performance effortlessly.