Introducing the Castelli Unlimited DT Liner Bib Liner Shorts - the ultimate in comfort and style for your next cycling adventure. The convenient drop-tail construction lets you hit the restroom quickly without having to remove the bib straps and the Progetto X2 Air Donna seamless seat pad is made with top-of-the-line cushioning so you can stay comfortable through your longest rides. Plus, the perforated leg panels ensure you're well-ventilated as you're working up a sweat. With a design that's as sleek as it is functional, these bib shorts will have you feeling like a Tour de France pro, even if you're just cycling to the coffee shop.