Connects To Ua Mapmyrun™: Tracks & Analyzes Your Running Metrics To Help Make You A Better Runner (Connectivity Expires On March 31, 2025) Engineered Warp Spacer Upper For Optimal Lightweight Containment & Breathability Strategically-Mapped Design Without Any Overlays Or Seams So You Can Put In The Miles Without Irritation Aerodynamic Heel Design & External Tpu Heel Wrap For Added Support & Lockdown Fit Molded Eva Sockliner Provides Added Comfort, Resiliency & Cushioning For High-Mileage Performance Responsive Ua Hovr™ Cushioning Reduces Impact, Returns Energy & Helps Propel You Forward Channeled Rubber Outsole Mapped For Durability In High-Wear Areas & Flex Zones To Promote Natural Movement