Whether we're heading out on an all-day gravel grinder or toeing the line at our local cross-country race, the PEARL iZUMi Expedition Mountain Bike Shoe strikes the perfect balance of all-day comfort and power transfer. Thanks to the breathable perforated upper, our feet stay fresh even as we pick up the pace, and the BOA L6 closure lets us lock in a secure fit. The nylon composite sole is paired with an EVA heel insert for pedaling efficiency and off-the-bike stability with extra vibration damping, so we don't have to worry about foot fatigue on epic rides.Mountain bike shoe built for long days in the saddlePerforated synthetic leather upper is durable and breathableBOA L6E and hook & loop closure let us dial in our perfect fitSoft TX lace guides minimize hot spots and pressure points2-bolt cleat platform provides a secure connection to the pedals1:1 Next Step Nylon composite sole balances power transfer and hikeablity Upper MaterialplasticClosureBOA system, L6E ReelMidsoleEVA heel insertSole1:1 Next Step NylonCleat Compatibility2-bolt SPDManufacturer WarrantylifetimeActivitygravel, cross-country