From ASICS, the Women's Gel-Cumulus 27 ASICS Track Club (ATC) Running Sneakers feature: Engineered mesh upper helps improve breathability and comfort Main upper material is made with partially recycled content to reduce waste and carbon emissions Knit heel pull tab Reflective details designed to help improve visibility Lace-up closure The sockliner is produced with the solution dyeing process that reduces water usage by approximately 33% and carbon emissions by approximately 45% compared to the conventional dyeing technology OrthoLite X-30 sockliner provides soft step-in comfort FF BLAST PLUS technology cushioning provides lightweight impact absorption and a responsive rebound PureGEL technology helps provide lightweight cushioning and softer landings FLUIDRIDE outsole helps create smoother strides Approx. 8mm drop Approx. 8.1 oz./230 g weight Imported.