From ASICS, the Women's Novablast 5 TR Nature Bathing Running Shoes feature: Breathable engineered mesh upper: made with recycled materials to reduce waste and carbon emissions Tongue wing construction Reflective details designed to help improve visibility in low-light settings Lace-up closure Added stretch helps improve the fit while reducing tongue movement FF BLAST MAX™ cushioning helps provide a lightweight and energetic ride 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 Trampoline-inspired outsole design helps provide a more responsive bounce back AHAR™ LO outsole rubber helps create better traction, improved softness, and advanced durability Approx. 8mm drop Approx. 7.7 oz./225 g weight Imported.