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. FEATURES : Scutoid GEL™ technology features a 3D geometry that creates better shock absorption AMPLIFOAM™ cushioning improves durability and creates a more flexible feel at footstrike Seamless no-sew construction Breathable mesh upper