Boston Red Sox 47 Bucket Hat - Kirby - Navy. The Kirby '47 Bucket is a relaxed bucket hat with a fitted crown, draw cord, and flat embroidery on the front. Made from garment washed cotton twill.  Relaxed Fit, Garment Washed, Front: Flat Embroidery Logo, Draw Cord, Cotton Twill.   Perfect to keep the sun out of the eyes of Red Sox fans, has a neck draw string to keep your hat on your or around your neck so you'll never lose it. Cotton Twill