Alpinestars drop 2 ls jerseydesigned for the tough demands of enduro alpinestars drop 2 long sleeve jersey features extended mesh inserts for enhanced ventilation and reflective detailing for improved visibility an mp3 compartment and headphone hook means you can listen to your favorite tunes while you ride features material 100 polyester constructed from an advanced mid weight poly fabric to promote moisture wicking and optimum temperature regulation strategically positioned open mesh ins