Fizik m3b mtb spd shoespacked with racing dna these top of the line m3b mtb shoes from fizik have been researched and tested to perfection using only the most advanced technologies available these mtb shoes are ready to tackle any mtb race all mountain enduro or cross country it doesnt matter these lightweight stiff and trail resilient mtb shoes will tackle everything carbon scratch resistance mtb shoesdesigned for top end performance fiziks m3b mtb shoes feature a carbon outsole