The Gel-Nimbus 28 features a lightweight construction, offering cushioning for long-distance running. The midsole incorporates FF BLAST™ PLUS cushioning and Pure GEL® technology. An engineered knit upper provides a soft fit. engineered knit upper Pure GEL® technology FF BLAST™ PLUS cushioning Ortho Lite™ X-55 sockliner reflective details HYBRID ASICSGRIP™ outsole