Brewed Low & Slow™, SToK® Un-Sweet Black Cold Brew Coffee is Bold & Smooth. It’s made for those who like their cold brew black and their dreams in color. No cream. No sugar. Just a medium roast cold brew blend served black and unsweetened. At SToK, we brew our cold brew coffee for at least 10 hours to deliver bold, one-of-a-kind flavor that’s never bitter. SToK Cold Brew uses a higher ratio of Rainforest Alliance Certified, Arabica-based coffee beans to water than hot brewed coffee, creating a smooth, flavorful result every time. Looking for the brew to suit your mood? Explore the full range of SToK flavors—from Bright & Mellow (our lightest roast) to Espresso Blend (our darkest)—and find your perfect match. Wake up your passions with SToK bottled cold brew coffee drinks you can enjoy all day long.