UHEREBUY Sweatband Wicking Skull Cap - Quick Dry Adjustable Bandana Hat - Chemo Cap Dew Rag Wrap Headband Beanie (sp-5) [Premium Quality]:100% Brand new and high quality; Made of high grade Polyester microfiber, mesh fabric , features strong stretchy, Sweat Wicking, breathable, quickly dry, durable, machine washable, moisture management technology wicks moisture away, perfectly absorbs all sweat during sports activities, definitely soft and comfortable to wear, keep your head dry and cooling [Unique Design]:Extra flap arrow in the back to protect your neck from sunburn. Adjustable hat, easy to adjust fit with posterior tie straps. The four-way stretch micro-mesh top releases heat for year round comfort and the smooth fit ties securely in the back [Adjustable Use]:Easy to use, easy to wear, functional design fit for all adults, Sun-UV Protection in summer and keep warm under hat in winter [Functional]:Awesome for all outdoor pursuits including Rowing, Cycling, Motorcycling, Horseback Riding, Equestrian Sports, all Field Sports Training, Running, Climbing, Hiking, Skiing, Snowboarding, Water Sports, in fact any situation where you need to protect your head against sunburn, keep your head dry and warm up [size]:One size fits most, Head Size: 50-61cm