Shimano Womens SH RC300W BICYCLE SHOES Size:39 offering solid durability for everyday Color:Aster Marine offering solid durability for everyday use Wax chain coatings have multiple benefits stability and lightweight performanceOff set center flap mounted Boa® L6 dial creates a sleeker profile with quick adjustmentsSurround wrapping upper structure reduces overlap and provides a glove like fitRubber XC racing pattern outsole promotes stable pedal engagement and secure walking gripLow stack height midsole stabilizes foot and maximizes power transfer efficiencyPerforated synthetic leather composite upper enables superior fit and breathabilityLightweight glass fiber reinforced nylon sole for power transfer ntegrated seamless midsole and upper construction set a new level of fit