Engineered for stability and cushioning on your distance training, this running shoe features adaptive arch support to help promote alignment with every stride. It sits on bio-based foam and targeted GEL technology that absorb impact and keep your ride soft and smooth mile after mile. Cushioning: absorbs impact and distributes weight for consistent, buoyant comfort under each step Stability: helps maintain comfortable foot alignment with targeted cushioning and support Removable, cushioned insole allows for custom orthotics Ortho Lite® X-40 footbed rebounds from every stride faster with added dryness and breathability FF BLAST™ PLUS ECO bio-based cushioning provides, lightweight, cloud-like comfort Rearfoot Pure GEL™ cushioning absorbs impact to put softer landings under every footstrike 4D Guidance System provides adaptive stability to deliver a more balanced ride AHARPLUS® High Abrasion Rubber brings enhanced durability to high-impact areas in the tread Textile and synthetic upper and lining/rubber and synthetic sole Imported