Lightweight compact waterproof & breathable Exo Shell 20ST™ fabric with built in stretch Fully seam sealed for waterproof protection Slim athletic non-flap fit Deep Elasticated waistband with silicone gripper on inner Reflective trims & prints Tiny pack size stuff sack included Stay dry in heavy showers & long wet descents, Lightweight compact waterproof & breathable Exo Shell 20ST™ fabric with built in stretch, Fully seam sealed for waterproof protection, Slim athletic non-flap fit, Deep Elasticated waistband with silicone gripper on inner