The ways to distinguish the front and back of this kind of clothing include observing the collar, cuffs, and trademarks.

1. Observe the neckline: Generally there will be an opening at the neckline, and the side of the opening is the front of the sweater.

2. Observe the cuffs: There is usually a label on the cuff, and the side where the label is located is the front of the sweater.

3. Observe the trademark: The trademark is usually sewn on the collar and cuffs. You can judge the front and back of the sweater based on the position of the trademark.