Alpinestars: Fully seam-sealed waterproof main shell (10k waterproofness and 5k breathability) is the perfect combination between breathability and protection against wet weather.Waterproof stretch panels on chest, upper back, arms and waist for an enhanced fit and optimum levels of freedom of movement.Fully tape-welded seams ensure suit’s overall waterproofing.Zippered side ventilation openings to effectively control body temperature.Waterproof back mesh panel prevents water ingress while ensuring optimum airflow and breathability.Waterproof zippered front pockets and chest pocket for safe storage of small personal items.Premium YKK® waterproof zips plus zip garages for durability and reliability.Bonded helmet-compatible storm hood with dual adjustment system to ensure optimized fit.Articulated sleeves promote an excellent fit.Reflective details on chest, back and upper arms.