Upper material :Double layer lightweight breathable mesh Outsole design :Lightweight rubber Midsole design :Revlite lightweight rebound midsole Double-layer breathable mesh upper, outer mesh with large mesh to enhance ventilation, inner layer small mesh port to support The midsole is designed with a double-layer mold, and the Rev soft 48 is added to the original Revlite. Lightweight rubber is added to the key parts beFore and after the outsole to enhance wear resistance Brand New Balance SKU 100388173_NP-1020692182