Kids Pink Boston Red Sox Hats. Kids cotton garment wash Fluro Pink Red Sox hat with navy "B" logo embroidered on the front with adjustable strap in the back. Generally we say Inf - Newborn to 2 years, Tod - 2 years to 4 years, Kids - 4 years to 6 years, Youth - 6 years to 8 years, 8 years and up should move to adult sized hats.