100% Cotton Buckle closure Low Profile, Unstructed Cap Self-fabric Adjustable Slide Closure with Buckle One Size Fits Most Classic Sports Ballcap - These comfortable plain baseball hats for men, women, and teens are breathable, comfortable, and keep the sun out of your eyes on sunny days. Fitted Comfort - The back of each hat features an adjustable strap to form the perfect fitted baseball cap for running, working out, or just staying cool on the go. Rich, Vibrant Color Selection - Kangora hats come in a wide assortment of plain yet bold colorways that can match your clothes, personal style. Light and UV-Blocking Brim - The wide, curved brim and premium polyester fabric work together to keep your head cool while protecting your face and skin from UV rays. Rugged Durability - Produced with reinforced stitching and an ultra-strong, durable strap, these mens and womens baseball caps are perfect for outdoor sports or activities.