The GEL-KAYANO™ 30 GS (Grade School) shoe creates a stable and comfortable underfoot experience for young feet. ​ We also updated the midsole with FF BLAST™ PLUS ECO cushioning. With approximately 20% bio-based content, this material helps create cloud-like softness in every step.​ Lastly, the toe-rubber stitching and wrap-up outsole help to improve the shoe's durability. PRODUCT FEATURES : Breathable mesh upper Rearfoot PureGEL™ technology Helps provide lightweight cushioning and softer landings FF BLAST™ PLUS ECO cushioning is made with approximately 20% bio-based content and helps provide cloud-like comfort An ASICS SIZE CHECKER™ feature Helps kids identify when they’re outgrowing their shoes At least 50% of the shoe's main upper material is made with recycled content to reduce waste and carbon emissions The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology Vegan Friendly: For this product, no materials of animal origin are applied in the design and material selection stages, including: the yarns, glues or other adhesives applied in the product. *The product is not certified as vegan by an independent third party.