Utilizing a patent pending radiant barrier technology born from the space industry, Alchemi Sun Hats block 99.8% of skin damaging UV rays with a tested UPF of 800+ and reflect up to 80% of the sunâs heat waves. Alchemi Sun Hats also feature aggressive ventilation and moisture wicking sweatbands all designed to keep the user cool, comfortable, and protected. From the Manufacturer Blocks 99.8 % of skin damaging UV rays with a tested UPF of 800+ Alchemi Sun Hats utilize radiant barrier technology. This is the same technology that has been used by the space industry in the creation of spacesuits and spacecraft to help protect astronauts from intense solar rays. Reflects up to 80% of the sun's heat waves Alchemi Sun Hats reflect up to 80% of the sun's heat waves instead of absorbing the heat like conventional sun hats. Radiant barrier technology Blocks skin damaging UV rays and reflects the sun's heat waves. Moisture wicking sweatbands, aggressive ventilation Moisture wicking sweatbands and aggressive ventilation to help keep you cool, comfortable, and protected. Adjustable sizing Adjustable sizing. One size fits all. Unisex What we're about at Alchemi Labs Alchemi Labs is a Scottsdale, AZ based company that is focused on creating innovative, high performance products for people that love the outdoors utilizing science, technology, and perhaps a little magic. About the Startup Describe your product in 3 words. High Performance Protection How did you come up with the idea for this product? The founders of this company are all outdoor enthusiasts with a passion for creating products that will âwowâ the user. We recognized the tremendous performance characteristics of radiant barriers early on from the space industry and worked for two years to create a patent pending layering and combination of materials that is ideal for outdoor apparel and accessories. What makes your product special? If you spend a lot of time outside in the sun, you need to be careful. The sunâs ultraviolet waves (UV) can penetrate and damage the skin. Excessive heat from the sun can cause cramps, rashes, heat exhaustion, and life threatening heat stroke. Alchemi Sun Hats block 99.8 % of UV rays and can reflect up to 80% of the sunâs heat waves instead of absorbing the heat like other hats. We add moisture wicking sweatbands and aggressive ventilation all to help keep you cool, comfortable, and protected. What has been the best part of your startup experience? The best part of the startup experience has undoubtedly been the enthusiasm, support, and kindness of all the people we get to meet and interact with on a regular basis.