Design: Soft, supportive recycled knit upper for breathability and comfort Approximately 10g lighter than the previous model, this is the lightest GEL-KAYANO® shoe ever LITERUSS™ construction increases stability and guides the foot through the gait for a more efficient toe-off 3D SPACE CONSTRUCTION™ improves compression at footstrike Redesigned external heel counter helps keep the foot stable and provide a more comfortable stride Reflective details improve visibility In-Shoe Comfort: OrthoLite™ X-55 sockliner improves comfort Rearfoot GEL™ technology cushioning provides good shock absorption Lightweight FF BLAST™ PLUS cushioning in the midsole creates softer landings and a more energized toe-off Durability & Traction: AHARPLUS™ heel plug improves the outsole durability Additional Details: Weight: 10.5 oz / 299g Heel Drop: 10mm Heel Height: 25mm Forefoot Height: 15mm At least 50% of the shoe’s main upper material is made with recycled materials to reduce waste and carbon emissions Sockliner is produced with the solution dyeing process that reduces water usage by approx. 33% and carbon emissions by approx. 45% compared to the conventional dyeing technology