FLYTEFOAM Technology, Provides lightweight cushioning. GEL technology cushioning, Provides excellent shock absorption Recycled upper materials Lightweight, breathable and sustainable material comprise our soft upper. Sustainable sockliner dye, Removable sockliner that provides cushioning performance The GEL-NIMBUS LITE 2 running shoe continues to build on our GEL-NIMBUS heritage by providing neutral runners with a lighter design and excellent cushioning. Nearly the entire upper is formed with recycled materials that help your feet breathe better throughout your run. Simultaneously, the FLYTEFOAM midsole technology incorporates Cellulose Nanofiber, a sustainable material that increases the durability of the foam. Designed with an advanced software program that helps improve the shoe's cushioning properties, this model also references the design language of the GEL-NIMBUS series while creating a lighter and softer running experience. Meanwhile, the GEL technology cushioning in the forefoot and rearfoot improves comfort while increasing shock absorption. Fusing advanced tech with design nuances that halo our GEL-NIMBUS series, the GEL-NIMBUS LITE 2 running shoe is part of our mission to help create a more sustainable world while offering soft cushioning and lightweight comfort.