ASICS Women's GEL-Flux Running Shoe 100% Polyester Imported Rubber sole Lace-up running shoe with breathable mesh upper featuring synthetic overlays, flexible construction, and logo patch at tongue Rearfoot and forefoot GEL-cushioning systems for shock resistance SpEVA midsole to improve bounce-back Guidance Trusstic System to enhance gait efficiency Guidance Line technology for maximum stride efficiently Traction outsole with AHAR (ASICS high-abrasion rubber) placed at high-wear areas