The shimano rp5 spd sl mtb shoe a performace road shoe built for endurance events with surround upper pattern provides the perfect balance of holding power and absolute all day comfort shimano rp5 spd sl mtb shoe features adaptable closure system adjusts to various instep heights and shapes minimalistic aesthetic avoids the clutter of over design with a clear focus on functional performance light weight glass fiber reinforced nylon sole with a carbon fiber composite plate for optimal pow