LIGHT&BREATHABLE:By applying super light and moisture wicking fabric and massive mesh design, it brings you a lot of cool and comfortable. Material is very soft and this cap is unconstructed. ADJUSTABLE&BETTER FIT: Flexible strap with Snap-in buckle closure offers a custom fit. The depth and wide of the cap has also improved to fit larger size head. Not for kid size anymore. (Refer the size information below before purchasing.) FAST DRY &ADJUSTABLE:With quick drying feature of the fabric, the cap can dry out fast to enable you everyday use. The back closure is adjustable which offers a custom fit. OCCASION: Great for running, hiking, tennis,golfing,baseball, camping... It can be used all the year round,especially for hot days.