These structured running shoes from Saucony deliver fine-tuned stability features and excellent cushioning for a springy step and a faster run. The supportive and breathable upper with FORMFIT technology hugs the foot in 3D comfort. Updates from the previous Endorphine Shift version are the snugger heel fit, more breathable mesh, suede detailing and anti-slip laces. SPEEDROLL Technology propels you forward with the feeling of continuous momentumXT-900 outsole with reinforced high-abrasion zones provides optimal traction and durability