For warmth and comfort all year long, the Homescapes Luxury White Duck Down Duvet is available as a 15 Tog All Seasons duvet. This comes as a set of two duvets including a 10.5 Tog and a 4.5 Tog which can then be paired together to create a cosy and warm 15 Tog duvet. Easy to attach together, both duvets come with plastic fasteners and button holes. The 4.5 Tog duvet will see you through warmer summer weather, lightweight and comfortable it will keep you cool. For spring/summer, use the 10.5 Tog duvet, slightly warmer this duvet will keep you warm all through the night. Then when colder winter weather comes around, simply attach the two together and create a super warm 15 Tog duvet.