PERFORMANCE XC MTB SHOE WITH SHIMANO QUALITY AND DESIGN FEATURES + BENEFITSPerforated synthetic leather composite upper enables superior fit and breathabilityThree durable hook & loop straps evenly spread tightening force across the top of the footOffset strap relieves tension at highest point of the footSurround wrapping upper structure reduces overlap and provides a glove-like fitLightweight glass fiber reinforced nylon sole for power transferRubber XC racing pattern outsole promotes stable pedal engagement and secure walking grip