From the manufacturer

Men's UA Blitzing Cap

It doesn't just keep the sun off—the HeatGear sweatband also wicks away sweat to help keep your head cool and dry.

• Breathable, textured knit fabric is super-soft for all day comfort
• Built-in, stretchy elastic sweatband wicks away sweat to keep you cool & dry
• Stretch construction provides a comfortable fit
• Embroidered logos