ASICS Men&#39;s GT-2150 Trail Running Shoe,Black/Onyx/Red,7 M,ASICS,T010N.9099-Black/Onyx/Red-7" /> 100% Synthetic and mesh Rubber sole Impact Guidance System enhances the foot's natural gait from heel strike to toe-off Space Trusstic System creates a pocket between the Trusstic System, device and the midsole, allowing for controlled midsole deformation and more efficient foot function Trail specific outsole has reversed lugs to provide uphill and downhill traction on all types of terrain Performance Trail upper is water-resistant and provides breathability and protection form the elements while gusset construction prevents debris from entering the shoe Solyte Midsole Material enhances cushioning and durability, while WET GRIP outsole that's made from a special blend of organic and non-organic components enhances traction even on wet surfaces