Doppio Specialty Coffee Khaosan Road is a small coffee shop on Phra Sumen Rd in Wat Bowon Niwet, Phra Nakhon, Bangkok. It serves coffee including cappuccino and latte, and beans can be chosen from dark, medium, or light roasts. The air conditioning inside is strong enough to feel cold after a while. The shop is small and the interior is cramped and cluttered.