Properties:. . Let this valued model help you cover the next kilometers. The feather-light recycled upper provides the right flexibility. With lightweight, responsive foam crafted from reworked components, these colorful shoes will help you pick up your pace without sacrificing the comfort that's so important when you're chasing records. previous versions.. The lightweight upper with well-placed areas of ventilation, flexibility and support is made of Nike Flyknit technology using unusual durable fibers. It provides security and convenience. Flyknit is paired with MR-10 Knit for the perfect fit that's unique to the Pegasus. Nike ZoomX foam is responsive and lightweight for a more responsive feel with every step. Cradle-shaped foam provides support during the three phases of a runner's stride. Increases flexibility when lifting the foot off the ground, fluidity of movement when moving the foot forward and cushioning when the foot touches the ground. SR02 is an ultra-soft version of Cushlon foam that helps you enjoy every step. . Check it out on KeeShoes! Nike running shoes at a great price.