Amazon offers adidas Superlite 3.0 Relaxed Fit Adjustable Performance Hat for free shipping with Amazon Prime. 

Product Description:
Side Panel Perforation. Low profile crown height. FEEL COOL AND DRY WITH ADIDAS CLIMACOOL Supporting your body's cooling system through the power of advanced materials. Your sweat is wicked away to evaporate fast and keep you comfortable. Wicking Sweatband. Texture Silicone Pull Tab. Hook-and-loop back closure for adjustable fit