The Pearl Izumi Cargo Bib Liner Shorts are made for serious pedal mashers who love the feel of a bib underneath their shell shorts but don't love wearing an awkward combination that can sometimes run too hot. That's why these glorious hybrids give you all the storage you'd get from your shorts with the epic ventilation you've been after. This bib liner makes it easy to keep your essentials with you while leaving the pack behind for all but your highest mileage journeys.