Kalve - Rue Caumartin brings Latvian coffee culture to Paris's vibrant 9th arrondissement, having opened its doors in February 2026. The café specializes in espresso-based drinks and gentle extraction methods, utilizing a Victoria Arduino machine for optimal brews. Prices start at €3 for an espresso and go up to €5.50 for a flat white. Open seven days a week, patrons can enjoy coffee-based cold drinks and sweet treats, with options for takeaway or seating. The shop also offers Kalve's beans and merchandise for those looking to bring a taste of the café home.