For a premium synthetic down like alternative, this sumptuously crisp and silky 10.5 tog duvet from the stylish Dorma range is ideal for a comfortable nightâs sleep all year round. Crafted from the finest synthetic fibres encased within a crisp cotton cover for breathability and to keep you cool, this duvet is light weight and extra soft just like down. With a luxurious 230 thread count, it has been manufactured in the UK and is designed with a bound edge for added durability.Contains recycled fibre.