50% Synthetic, 50% Mesh Imported Rubber sole Underfoot Comfort: These running shoes feature a lightweight injection-molded EVA foam midsole to provide lightweight support, plus an NB Comfort Insert to offer additional cushioning Supportive Design: The breathable mesh and synthetic uppers on these fitness shoes are designed to be soft and supportive on the feet. The upper sits atop a durable rubber outsole Versatile and Lightweight Running Shoes: Whether you're working through tough training sessions or a busy weekend of errands, these New Balance running shoes are designed to provide all-day comfort A Great Finishing Touch to Any Outfit: With a stylish silhouette and classic NB branding, these cushioned running shoes can be paired with any casual or athletic outfit without looking out of place Comfortable Running Shoes: These synthetic running shoes deliver a plush feeling that lasts, thanks to the underfoot flex grooves and data-inspired comfort technology for enhanced all-day comfort