Boston Red Sox New Era 25 City Connect Stretch Snapback - 9Seventy - Green.   The 9SEVENTY provides a modern adjustable fit and versatile style with its structured crown, semi-curved visor and performance stretch sweatband, MICROERA™ technology acts as an anti-microbial to reduce odor, Breathable, perforated mid and rear panels, Embroidered team logo on front panels with eyelets, One size fits most, Material: 100% Polyester, Wipe clean with a damp cloth, COOLERA® technology wicks away sweat, Slightly Curved Bill, Snap Closure, Mid Crown, Structured fit