Add exceptional style to any bedroom with the Prestige Comforter from Yves Delorme, featuring a white ground, baffle-box construction, and smooth sateen finish. SPRING: A prestige mid-season duvet ideal for all seasons, and for well heated or temperate rooms. WINTER: Recommended for use in the fall/winter season or in cold climate areas. For people who like to sleep in a warm and comfortable environment. SUMMER:. A light summery ultra-light duvet, recommended use for summer or warm and humid regions.