Athletic wind protectionon cool race days having some added protection from the wind is a real bonus you may not want to don a gilet or lightweight jacket so the fs260 pro jetstream jersey is the ideal choice with windproof front and arm panels you get protection for your core while lightweight stretch rear panels allows sweat to wick away so you don39t overheat for ventilation you39ll find mesh underarm panels as well as a full length zip to allow you to dump warm air should you reall