This all-around hiker by MERRELL features an engineered mesh upper for an athletic, breathable, and lightweight feeling -- without sacrificing protection.  Details Mesh and TPU upper Traditional lace closure Bellows tongue keeps out debris Protective toe cap External rear sling locks in the heel Breathable mesh lining Kinetic Fit BASE removable contoured insole for flexible support Merrell sticky rubber outsole tunes each outsole with durable traction that grips when and where you need it