Synthetic Rubber sole Run feeling free while bringing elevated embellishments to your look in the Nike React Phantom Run Flyknit 2. Updated in a variety of soothing greens, the laceless design and Flyknit technology offer secured comfort. Nike React foam works to help keep your step cushioned and comfortable for each stride. Nike React technology delivers a soft, smooth, responsive ride. The shape of the foam midsole is all about zonal performance. It provides support for the 3 phases of a runner's stride—flexibility at toe-off, a smooth ride at mid-stance and cushioning at contact. Run feeling free while bringing elevated embellishments to your look in the Nike React Phantom Run Flyknit 2. Updated in a variety of soothing greens, the laceless design and Flyknit technology offer secured comfort. Nike React foam works to help keep your step cushioned and comfortable for each stride.