ASICS Women's GT-1000 3 D Running Shoe,Black/Onyx/Lightning1,9 D US 100% Synthetic Imported Rubber sole Mesh upper with lace-up vamp for secure, breathable fit SpEVA high-rebound midsole for cushioning Impact Guidance System and DuoMax Support System Gait-enhancing Guidance Trusstic System Guidance Line vertical flex grooves AHAR+ high-abrasion outsole for traction