Keep yourself cool and help your body breathe and regulate temperature during those hot muggy summer nights with this lightweight 25 tog duvet filled with an all natural blend of goose down and feather it will keep you cool and help your body breathe and regulate your temperature the small pocket construction and close stitching keep the filling evenly distributed to prevent any uncomfortable cold spotsfilled with 70 goose down 30 goose feathersilky smooth 233 thread count pure cotto