Reddit reviews Tough Headwear Cooling Skull Cap/Helmet Liner for Men - Sweat Wicking Motorcycle & Football Under Hard Hat Liner - UPF 50

99 PROBLEMS BUT SWEAT AIN’T ONE: Our wicking helmet liner soaks up your sweat and keeps it out of your eyes. Recommended for athletes, heavy sweaters and guy who do real work.DESIGNED TO BE WORN UNDER HELMETS & HARD HATS: Instead of sweating inside your helmet (I can smell that nastiness from here), sweat into our breathable skull cap helmet liner. Afterwards, throw it into the wash and watch it speed dry on its own.FUNCTIONAL COOLING: You’ll feel cool as soon as you put this on, but not because you now look like an NFL linebacker. It’s because our skull cap literally cools your noggin’ with its moisture activated cooling fabric.SKIN CANCER FOUNDATION APPROVED SUN PROTECTION: Got something in common with Bruce Willis and Michael Jordan? This skull cap protects your noggin from harmful UVA and UVB rays (whether you're bald or not). Lab tested UPF 50+. The Skin Cancer Foundation recommends this cooling skull cap as an effective UV protectant.