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How to turn an old sweatshirt into an oversized one

17 November 2025

How to turn an old sweatshirt into an oversized one

You love the relaxed, modern style of oversized sweatshirts, but you don't want to part with your beloved old sweatshirts? No problem! Turning an old sweatshirt into a trendy, comfortable oversized piece is easier than you think. Here is a step-by-step guide to giving your sweatshirt a new lease of life.

Choosing the right sweatshirt

Pick a sweatshirt from your wardrobe that has a fairly basic cut and could benefit from a makeover. A sweatshirt that is already a little loose is ideal, but almost any style will do. Make sure the fabric is still in good condition, without too many tears or excessive wear.

Materials and tools you'll need

  • An old sweatshirt
  • Dressmaking scissors
  • A needle and matching thread
  • A sewing machine (optional)
  • Dressmaking pins
  • A tape measure

Transformation steps

1. Cut for a loose fit

Start by cutting off the bottom hem of the sweatshirt, as well as the cuffs, to create a more relaxed look. If you want to accentuate the oversized effect, cut the neckline too to get a boat neck.

2. Add fabric if necessary

If your sweatshirt is too fitted, you can add fabric to widen it. Choose a fabric that goes well with your sweatshirt, cut it into strips and sew them along the side seams to enlarge the body of the sweatshirt.

3. Create stylish details

Add personality to your oversized sweatshirt with a few unique touches. For example, add patches or embroidery to the sleeves or chest. You can also tie a drawstring at the bottom of the sweatshirt for an even cooler style.

Fitting and adjustments

Once you have finished the transformation, try your sweatshirt on and make any necessary adjustments. Shorten it if needed or add other details to suit your preferences.

Conclusion

In no time at all, your old sweatshirt has become a trendy, comfortable piece you will love wearing. With a little creativity and effort, you can upcycle your wardrobe while wearing clothes that perfectly reflect your personal style. Feel free to try different techniques for even more personalisation.

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