New Balance 910v2 running shoes are designed to help you conquer adverse terrain with responsiveness and cushioning. Toe Protect on top and the Rock Stop™ plate on the bottom keep your feet protected and feeling secure; ready to explore new areas. Enhanced flexibility and superior traction complete the package. Upper:> Debris-Free Construction helps keep dirt, rocks and other debris out the shoes. Toe Protect deliver abrasion-resistance and durability. Padded tongue and heel collar enhance comfort. Mesh offers breathable flexibility. Synthetic overlays provide lightweight support. Midsole: REVlite offers a lightweight ride without minimizing construction or sacrificing underfoot cushioning or stability. Full EVA Strobel Board provides enhanced comfort and support. Removable insole.Outsole: AT Tread dual outsole tread combines both trail and running lug designs for on and off-road. Rock Stop™ helps protect feet from rocks and shock, and disperses shock energy. HHR Rubber Outsole provides maximum grip.