1. A disposable diaper comprising: a front cover and a rear cover which close the waist of the wearer and covering the groin, which comprises an absorbent core and closes the groin area of the wearer wherein the stretchable part made of elastic nonwoven material is formed on a part of at least rear cover, wherein the stretchable portion is formed so that it is compressed in the direction of the waist layer forming air channels made of water repellent nonwoven Container material, is provided on the rear surface portion of the coating in contact with the skin, wherein the layer forming the air channels, is superimposed on the stretchable portion Isla forming air channels, and stretchable portion being connected to one another via connecting pieces formed at intervals of talii.2 direction. The disposable diaper according to claim 1, wherein the stretchable part made of a stretchable nonwoven fabric formed on a portion of at least the front cover, wherein the stretchable portion is formed so as to be compressed in the direction of the waist layer forming air channels made of water repellent nonwoven fabric is provided on the side surface of the front cover, the skin-contacting, layer forming air channels, is superimposed on the stretchable portion Isla forming air channels, and stretchable portion being connected to one another via connecting pieces formed at intervals of talii.3 direction. The disposable diaper according to claim 1 or 2, wherein a stretchable portion spanned stretchable mat1. Одноразовый подгузник, содержащий: переднее покрытие и заднее покрытие, которые закрывают талию пользователя, и покрытие паховой области, которое содержит впитывающую сердцевину и закрывает паховую область пользователяпри этом растягиваемая часть, изготовленная из эластичного нетканого материала, сформирована на части, по меньшей мере, заднего покрытия, при этом растягиваемая часть сформирована таким образом, чтобы она сжималась в направлении талиислой, формирующий воздушные кан
