SUPERSIZED UA FLOW CUSHIONING: Unmatched comfort, ground contact & traction BREATHABLE UPPER: Durable ripstop material with engineered venting & full-length graphic print detail BOA FIT SYSTEM: A personalized fit, one click at a time, with a 12-point lockdown system The most versatile shoes we've ever made with a supersized midsole for mega energy. They feel great, cushion better, fit perfectly, handle your toughest runs, AND have a heel that converts easily from slip mode to speed mode.