The drink features an iced sweetened Americano topped with sea salt creme and a sprinkle of cocoa powder. It normally goes for $3.00 to $3.50 (may vary), depending on the size. It's popular enough that Dunkin' came up with their own version.
The Asian coffee and bakery chain is in the midst of a major expansion in the US and currently has cafes in Dallas, Northern California, Southern California, San Diego, and Seattle.
Photo via 85°C Bakery Cafe.