Amazon.com Product Description Designed to keep up with your active toddler, the Jetstream features Stride Rite's Toddler Tech natural cushioning system for maximum support for growing feet. With a mesh upper for optimum breathability, forefoot flex grooves for a light and easy step, medial and lateral support for extra comfort and an athletic outsole for durability, this sporty shoe stands up to hours of exploration and play. The Jetstream even has a hook and loop closure for quick adjustability, and an absorbent sock to keep little feet nice and cool.