Men's trousers 120 kg 280 stitches. According to the relevant public information inquired, men's woolen trousers with a belt of 120kg are knitted with elastic bands on both sides, and then knitted for about one inch, with two stitches in the front and back center (two stitches in the middle and two stitches on both sides), and then one stitch is added every 8- 10 row, and 8 inches is knitted from waist to crotch.