The summer LTD cap, with its pursuit of coolness and large brim for easy underwater visibility, uses a special fabric called Dot Air® with fine ventilation openings, making it lightweight, highly breathable, and water-repellent. You can also use it by wetting the cap with water. Equipped with a cap strap that connects to your wear, preventing it from being blown off by the wind. The rear adjuster features a velcro inside fold design to reduce thread loosings. The larger brim reduces light entering the inside of polarized glasses, making it easier to see underwater when combined with polarized glasses.