??BREATHABLE& QUICK DRY?? Moisture absorption and sweat discharge feature can keep your head dry and comfortable . Full hole panel design enhances breathability. This hat can dry out very fast after washing and getting wet. The quick dry hat can also temporarily help you out if you are caught up with the rain. ??COMFORTABLE& ADJUSTABLE?? Inside sweat band is very soft and cozy. The back closure is combined with stretch strap and snap in buckle. Flexible strap can fit your head girth better and offer you a custom fit. You will not feel too tight or too loose. And you only need to adjust the size once and for ever.It is also more durable and comfortable than Snap-back closure. ??PORTABLE & LIGHT WEIGHT?? The cap crown is unstructured. so it can be folded and fit into any bag. Combined with breezy soft fabric, this cooling hat can give you a lightweight wearing. And you can take it with you to everywhere and will not occupy too much space, bring you a lot of convenience during use. ??PERFECT FOR SPORTS ACTIVITY?? The classic plain look is designed for daily use. It??s suitable for all ages and different jobs. Ideal for sports activities, such as hiking, climbing, cycling, fishing, tennis, golf and etc. ??SIZE: ONE FITS ALL?? M/L;Numeric Size:6-5/8”-7-3/8”; For head girth:21-3/16”-23-5/8” (54cm-60cm).Cap depth:4-5/16” (11cm) Bill length in the middle??3-1/8”(8cm). Please read our size guidance in images or description for specifications.