Under Armour Men's Micro G Fuel RN 4E Cross-Trainer Shoe 100% Textile and Synthetic Imported Rubber sole 4E Sizing built to better fit athletes with extra wide feet Lightweight mesh upper delivers complete breathability Hidden, built-in midfoot straps provide locked-in fit & support without adding extra bulk EVA sockliner for added underfoot comfort One-piece Micro G midsole turns cushioned landings into explosive takeoffs