Specialized has redesigned the Wedgie Seat Bag, and now it hides perfectly under your saddle. There's ample space to accommodate a tube, levers, cash, or other small items. It's designed to be water-resistant, with coated nylon upper material and water resistant zipper. Inserts have been added to stabilize the bag while riding, plus it now fits on virtually any bike with an updated mounting construction featuring longer straps and pre-set post angle set-up that conforms easily to seatpost designs for better stability and a cleaner mount set-up that combines with the overall shape of the bag to reduce the possibility of rubbing on your inner thighs while pedaling.