The Asics Gel Kayano lite 3 running shoe embraces a sound earth. With a greater emphasis on sustainability, this shoe keeps your step stable and your mind light. Its engineered mesh upper is made with a higher percentage of recycled polyester than the previous version. The collar and tongue’s recycled textiles are helping us take additional steps towards lightening our impact on the environment. Flytefoam cushioning is made from organically derived materials. The 3D Space Construction feature addresses the gait differences of male and female runners. It's designed to reduce overpronation, which keeps your foot supported. - At least 50% of the shoe’s main upper material is made with recycled materials to reduce waste and carbon emissions - 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 - Gel technology cushioning provides excellent shock absorption - Flytefoam cushioning consists of cellulose nanofiber, a bio-based material applied as a component of this shoe's midsole - 3D Space Construction feature improves compression at footstrike - OrthoLite lasting improves step-in comfort and durability - Guidance Line technology improves gait efficiency - Ahar heel plug improves the outsole durability