The Gel-Nimbus 28 ATC offers cushioning to make running longer distances feel smoother. The midsole features a combination of FF BLAST™ PLUS cushioning and Pure GEL® technology, creating a lightweight and soft cushioning experience. The design features a unique mesh construction. engineered knit upper Pure GEL® technology FF BLAST™ PLUS cushioning Ortho Lite™ X-55 sockliner reflective details HYBRID ASICSGRIP™ outsole