Fizik m3b mtb spd shoesthe new m3b cycling shoes dont shy away from battle made from strong but breathable laser perforated microtex and anti scratch leather together with a ud carbon fiber outsole with removable skid plate and a boa ip1 closure system theyre light stiff and made for felling mountains features materialsmicrotex laser perforatedanti scratch leather closure systemboa ip1 outsoleud carbon fiberremovable skid plate insolefizik cycling insole weight350 gr size