With the Chaskee Reversible Cap Microfiber, you get sunshade and a packing miracle in one. When the sun beats down on the earth, your brain is protected up to a radiation level of UVP 80. The neoprene roof also ensures that you are not dazzled. Thanks to the Chaskee Reversible Cap, you can keep a cool, clear head even in the hottest conditions. When the merciless sun retreats, you can fold your cap up very small and simply stuff it into your backpack. Practical, isn't it?