Why Doing Better Rash Guard Business Should Know How to Customize Rash Vest

Rash guard / rush guard / rash vest, it is so popular clothes in summer all over the world, especially for women, as the clothes have so many functions, such as keeping cool, being fashion style and so on. But for the beach activities, the clothes are for all of people. Therefore, the business for this is so common. But if you would like to do the rash guard business better, how to make the rash guard is also necessary.

Today we just talk how to make a rash guard. it involves selecting the right materials, designing the pattern, cutting the fabric, and sewing it together. Here’s a step-by-step guide in the article.

If you would like to know more, welcome to Wetop Sports knowledge center.

What are Materials Needed

Fabric – Use spandex / Lycra blends (80% nylon, 20% spandex) or polyester-spandex for stretch, durability, and UV protection.

Sewing Machine – A stretch needle and ballpoint needle are best for elastic fabrics.

Thread – Polyester thread (stronger than cotton for stretchy fabric).

Elastic (for sleeves and neckline, if needed).

Pattern (you can use an existing rash guard or create one).

Scissors / Fabric Cutter.

Measuring Tape.

Serger / Overlock Machine (optional but helpful for stretchy seams).

How to Design & Pattern Making

If you have a well-fitting rash guard, trace it onto pattern paper.

Alternatively, take body measurements (chest, waist, arm length, torso length) and draft a pattern:

1) Front & Back Panels: Slightly form-fitting but stretchy.

2) Sleeves: Raglan sleeves (common in rash guards for mobility) or set-in sleeves.

3) Neckline: Crewneck or zip-up (if adding a zipper).

How to Cutting the Fabric

Fold the fabric (right sides together) and pin the pattern pieces.

Cut with sharp scissors or a rotary cutter for clean edges.

Mark notches for alignment when sewing.

How to Sew the Rash Guard

1. Sew Shoulder & Side Seams

Pin front and back panels at shoulders and sides.

Use a stretch stitch (zigzag or lightning bolt stitch) or a serger.

Reinforce stress points (armpits, shoulders).

2. Attach Sleeves (Raglan Style)

If using raglan sleeves, align the diagonal seams from neck to underarm.

Sew in a curve, stretching slightly for flexibility.

3. Neckline Finishing

Fold the neckline inward and stitch (or add elastic for a snug fit).

For a binding finish, cut a strip of fabric (1.5" wide), fold, and sew around the neck.

4. Hemming Sleeves & Bottom

Fold edges (twice for a clean hem) and stitch with a stretch stitch.

5. Optional: Add Flatlock Stitching

If using a serger, flatlock seams reduce chafing.

What is the Final Adjustments

Try it on to check fit.

Trim excess threads and press lightly (use low heat to avoid damaging spandex).

Conclusion

In conclusion, making a rash guard is not so difficult, for the business person in the clothes industry should know it briefly. This should be better when running the business, such as choosing the good rash vest to sell, Designing the best style for rush guard and so on. maybe the tips below would be better for you:

1) UV Protection Fabric: Look for UPF 50+ rated fabric.

2) Printing / Designs: Use sublimation printing for custom designs.

3) Flat Seams: Reduce irritation when worn under suits.

Wetop Sports, as one of the best water sports products manufacturers, it always supplies wetsuit, drysuit, diving mask, diving fins, life jacket, rash guard, … etc. all over the world. Its main business is to assist our customers to build competitive brand with saving their capital and having reliable quality. if you would like to tailor your wetsuits for sale, why don’t you try cooperating with this so professional water sports gear factory?