It’s like an energy drink for your feet. As Reebok’s most technically advanced shoe to date, ZigTech absorbs impact of heel strike, transforms each step into a wave of energy and helps propel you forward with each step resulting in less wear and tear on your shins. Synthetic/mesh upper ensures comfort, fit and durability. DMX® Shear cushioning panels provide added comfort and reduced heel stress. Forefoot flex grooves offer added flexibility. Multi-surface outsole gives traction. Wt. 11.8 oz.