Boost? returns energy with every step while the outsole delivers 360-degree traction as you snake through defenders. Boost? is our most responsive cushioning ever: The more energy you give, the more you get. Engineered air mesh upper with zonal cutouts for maximum breathability and an adaptive fit. TPU overlay for added stability. GEOFIT? construction for anatomical fit and comfort. Integrated lace cord for optimal lockdown. Herringbone-pattern outsole for unrivaled 360-degree grip. Synthetic and textile upper/Textile lining/Rubber outsole.