Troy lee designs ace shorts wair bib linerthese troy lee designs ace shorts with air bib liner are highly durable shorts made with 4 way stretch polyspandex fabric for comfort they feature a stretch to fit elastic waistband rear zippered pocket for valuables and laser cut side stash pockets perfect for easy access these bike shorts also have many other features such as permanent inner thigh ventilation via welded intake vents welded seams which allow for a close to body fit without chafing