Warm-keeping double-sided garment

The utility model discloses a warm-keeping double-faced garment which comprises a plurality of seam pieces which are spliced to form the garment, at least one seam piece comprises a first surface layer and a second surface layer in the thickness direction, a down filling cavity is arranged between the first surface layer and the second surface layer in a clamped mode, and the down filling cavity is filled with garment thermal insulation materials. The edges of the seam pieces are provided with covered edges, and the covered edges of the adjacent seam pieces are overlapped and sewn in a staggered mode. The sewing pieces of the warm-keeping double-faced garment are connected in a staggered lap joint mode after being subjected to edge covering, the local thickness of the edges of the sewing pieces can be increased through the covered edges, mutual covered edge inner edge supporting structures are formed through staggered lap joint, the thickness of the splicing seam is increased, and the thickness difference val