From 5Ks to full marathons, the GEL-KAYANO™ 30 shoe is designed to provide advanced stability and cushioning properties. The new 4D GUIDANCE SYSTEM™ helps provide adaptive stability. Placed on the inside of the midsole, this adaptive foam helps reposition your arch after each impact for a more supportive stride. We also updated the midsole with FF BLAST™ PLUS ECO cushioning. With approx. 24% bio-based content, this material helps create cloud-like softness in every step.PureGEL™ technology is strategically positioned below the heel and is 65% softer than conventional visible GEL™ technology. Now you can make your distance training feel surprisingly smooth.PRODUCT FEATURES Engineered stretch knit upper Improves breathability External back heel counter Helps keep the foot stable and provide a more comfortable stride 4D GUIDANCE SYSTEM™ feature Helps create adaptive stability for a more balanced stride Rearfoot PureGEL™ technology Helps provide lightweight cushioning and softer landings FF BLAST™ PLUS ECO cushioning is made with approx. 24% bio-based content and helps provide cloud-like comfort OrthoLite™ X-55 sockliner Improves comfort Reflective details Designed to help improve visibility AHARPLUS™ heel plug Improves the outsole durability At least 75% 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 Vegan Friendly: For this product, no materials of animal origin are applied in the design and material selection stages, including: the yarns, glues or other adhesives applied in the product. *The product is not certified as vegan by an independent third party.