Front knitting needles, back knitting needles, 4 needles on each side of the front, continue to knit the front and back. Then knit 5 rows and then close to the inside of the edge to receive a stitch, then continue to knit 5 rows and receive the same stitch. Then continue to knit three rows until you reach the armpit, then take a needle and divide it into two pieces at the same time. Then add both sides of the thread and knit the front at the same time. After knitting three rows, both sides receive the needles in front, and then repeat the operation twice until there are still eight needles on the guide bars on both sides. Then, the four needles on both sides of the front are continuously knitted at the back collar for sewing. Then start to knit the back piece until it is shoulder-width before sewing, without adding or subtracting. When knitting sleeves, take 16 stitches with the loops of the sleeves. When knitting to one third of the sleeve length, take one stitch on the extension line under the armpit, and take another stitch when knitting to two thirds. Finally, after reaching the length of the sleeve, knit the upper and lower needle edges of the sleeve, knit the sleeve, and knit the other sleeve in the same way.

Sweater has a very good warm-keeping effect, comfortable and soft feel and good elasticity.