Conquer the coldest nights with the 13.5 TOG Extra-Warm Winter Duvet, engineered for extreme winter temperatures and ultimate thermal insulation. This heavyweight comforter delivers exceptional heat retention and deep warmth without unnecessary bulk — perfect for cold climate bedrooms, drafty homes, or Wayfair winter bedding collections. Crafted with premium high-loft fill and a breathable yet snug cover, this duvet traps heat for consistent warmth while still regulating airflow for comfortable sleep. Durable stitching and quality materials ensure longevity and loft retention wash after wash. Whether you’re updating your winter bedding, seeking maximum cold weather comfort, or layering with quilts for added warmth, this 13.5 TOG duvet brings luxurious warmth and performance to every night.