*Alpinestars AST-1 v2 Waterproof Adult Pants - BlackA multi season adventure touring pant with an innovative technical outer layer, the Halo Drystar Pants can be adapted to the weather conditions, with a large opening vent panel on the thighs that delivers optimum levels of airflow for enhanced comfort, even in the warmest of conditions. Fully foldable ventilation panels efficiently distribute airflow. The packable, waterproof and breathable Drystar membrane can be worn inside the pants or over the