The endura zyme 3439s come with a fresh new look for the new season and still features the same fantastic qualities as last years model these baggy mtb shorts are tough enough to handle the rugged trails as they use durable nylon fabric finished off with high wicking materials to help pull moisture away from the skin for comfort the smooth underside on these 34 shorts helps to prevent snagging and discomfort on pressure points as well as double seat panel and twintriple stitch