The HYPER SPEED™ shoe is a lightweight and smooth racing flat that incorporates a series of energy-saving philosophies.This modern flat is ready to tackle a range of distances and get you to the finish line faster while using less energy.Additionally,this racing shoe features a versatile design that's functional for running fast without breaking the bank.A lightweight and breathable mesh upper will help keep you cool and dry,while the sockliner uses fewer resources for its coloring process to follow a more sustainable design approach.Additionally,the exaggerated toe spring and higher stack height are combined to help provide energy-saving benefits for your tempo workouts or races.