The GEL-QUANTUM 90™ IV sneaker merges performance-inspired technologies with street style aesthetics.It has the comfort you need to keep your mind and body in-tune throughout the day.This shoe's upper is modified with a seamless no-sew construction that makes it softer,more flexible,and ventilated for various scenarios.The update midsole halos our other designs in the GEL-QUANTUM collection.It features a full-length AMPLIFOAM™ cushioning system and Scutoid GEL™ technology for improved everyday comfort.