From ASICS, the Women's Gel-Cumulus 27 Mesh Reflective Detail Running Sneakers feature: Engineered mesh upper: made with recycled content to reduce waste and carbon emissions Knit heel pull tab Reflective details designed to improve visibility Lace up closure The sock liner 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 rubber outsole helps create smoother transitions between strides Approx. 8mm drop Approx. 8.1 oz./230 g weight Imported.