1, according to the size of the body, cut the fabric of each part of the pants to the appropriate size.

2. According to the cut fabric, cut the lining with the same size, with the inner and outer pieces facing each other and cotton sandwiched in the middle. As shown below.

3. In order to ensure that cotton does not roll and shift inside, the three layers of surface cloth, cotton and lining cloth can be fixed by hand leads and sewn together.

4. In order to ensure the normal wrapping, tear off the excess cotton at the edge.

5. Lock the edge of the trouser leg, and lock the inner cloth and the face cloth together.

6. After the trousers are sewn, thread them at the waist and feet and cut them according to your own needs. This picture shows that the 3-inch double layer is the waistband and the 6-inch double layer is the leg.

7. Sew the thread of the trouser leg and lock the edge on one side. The belt is also a lock edge. As shown below.

8. Sew the waistband and leg lines separately, and a thick and warm cotton trousers will be finished.