New for 2020! The fitted cap Major League Baseball players wear during batting practice. Side stripes add sporty detail to this moisture-wicking structured cap with plenty of stretch for comfort and mid-profile. 97/3 cotton/spandex fabric with 100% polyester hex jacquard stripes and bill. Color: Black with red trim. Sizes: S/M (7 1/8 to 7 3/8, M/L (7 3/8 to 7 5/8), L/XL (7 5/8 to 7 7/8). For your cap size, measure the circumference around the head above the eyebrow at widest part. Divide that number by 3.14.