Specially built for trail running, with crazy cushioning, traction that grips even muddy terrain, and the extra protection trail runners need to keep going. Lightweight, engineered mesh upper with added toe protection for trail-ready protection Haptic print helps provide shape & structure & shed dirt for debris protection New molded heel & higher collar to keep out debris with external heel counter for lockdown & containment Responsive UA HOVR™ cushioning reduces impact, returns energy & helps propel you forward New outsole design uses high-traction rubber with increased lug height for multi-surface traction Under Armour Sonic Trail Running