Patented Elastic Design: Air 2.0’s unique elastic technology offers different tension zones, creating a secure fit while allowing natural foot movement. Anti-Slip Knot Security: Micro bumps near the knot area prevent slippage, ensuring your laces stay tied throughout the day.Custom Comfort Zones: Firm midfoot support for instability, paired with softer elasticity near the toes for natural splay and foot swelling.Slip-On Convenience: Enjoy the convenience of slip-on shoes with the aesthetic of traditional laces, perfect for casual wear and  athletic activities.Versatile for All Shoes: Designed to complement casual shoes but durable enough for athletic performance, Air 2.0 adapts to your lifestyle.