All you need is ground coffee, clean water, and 8 to 12 hours in the refrigerator. Ahhh. Mouthwatering, thirst-quenching, ridiculously-easy-to-make cold brew. Make a batch the night before. In the morning: great coffee, ready to go.

Up your iced coffee game with this all-in-one system from Hario in Japan. Choose from grey or classic blue. Best part? The ultrafine filter makes crystal clear cold brew a sure thing, every time. Bonus: easily remove filter to transform bottle into a stunning carafe for any beverage.