ALL DAY COMFORT: The standard, roomier fit of the Platinum 2 offers more comfort for all-day riding. The seamless synthetic leather and mesh upper provides breathability. These shoes also feature ventilated expandable zones to prevent numbness.EASY TO ADJUST: The Boa L4 micro-adjustment fastening system with hook and loop strap provides a customized fit.BREATHABLE: The patented injected nylon and fiberglass outsole is extremely well ventilated. The patented Ergo Air insole lets you ride in all weather conditions.EFFICIENT: The Powerzone heel retention system stabilizes your heel for greater power transfer.DETAILS: The Platinum 2 features reflective heel for increased visibility, and its steel cleats fit all major road and SPD pedals. Weighs 310g (10.9oz) for size 42.