Merrell all out charge mens trail running shoes the merrell all out charge trail running shoes combines the hyperwrap 360 degrees fit system with a moulded nylon arch shank for total support trail running shoes breathable mesh upper m select fresh treated footbed hyperwrap 360 degrees fit system 6mm drop 20mm cush 27mm stack height nylon arch shank unifly midsole 5mm lug depth m select grip outsole merrell branding upper textileother materials lini