From Under Armour, the Women's Assert 11 Running Shoes feature: Athletic mesh upper with durable leather overlays for added dimension & midfoot support Upper contains recycled content Lace up closure Plush, anti-microbial sockliner provides ultimate step-in comfort Charged+ midsole cushioning provides unmatched softness & all-day comfort Durable rubber outsole provides traction & durability with strategically-placed flex grooves for proper toe-off Weight: 7.7 oz Imported.