RAEN Nera in Brown. RAEN Nera in Brown. Acetate frames. 53-17-153 in mm. Includes drawstring pouch and custom leather case. RAEN-UG19. NER-059-GRDSMK. RAEN is a line of classically inspired eyewear hailing from the coastal town of Encinitas. Designed for active lifestyles, RAEN is high quality and functional with a dedication to innovation.