The Endura SingleTrack Shorts II ?are fully featured, bulletproof trail shorts. Built to pedal up, hammer down and then do it all again. Tough, durable shorts with convenient and secure storage.  Endura SingleTrack Shorts II Features Tough durable nylon fabrics with large stretch panels Zipped hand and phone pockets Wicking waistband with Velcro adjusters Critical twin needle stitching ClickFast™ liner compatible Knee guard friendly cut Zipped leg vents The Endura classic that keeps on getting better Endura SingleTrack Shorts II Materials Nylon 100%