The GEL- NUMBUS 26 is the most comfortable shoe that creates a plush underfoot to help you feel like you're running on clouds, An updated knit collar and tongue construction are complemented with a revamped midfoot fit to create a more supportive fit, Outsole is strategically designed for advanced durability and grip, FF BLAST™ ECO PLUS cushioning helps create cloud-like cushioning properties and a greater percentage of recycled materials to support more sustainable manufacturing