10 Best Spandex Projects: Swimwear, Activewear & DIY Ideas

Q: How much spandex fabric do I need for leggings?

For standard leggings, you'll need 1.5-2 yards of 58-60 inch wide fabric, depending on your size and the pattern's layout. Always buy an extra 1/4 yard for mistakes or testing.

What Can You Make With Spandex Fabric?

Spandex fabric opens up a world of sewing possibilities — from swimwear and sportswear to comfortable everyday clothing. Whether you're a beginner or an experienced sewist, there's a stretch fabric project waiting for you. Here are our 10 favorite projects using nylon spandex and cotton spandex fabrics.

How Do You Sew a Custom Swimsuit?

To sew a custom swimsuit, use 4-way-stretch nylon spandex, a ballpoint needle, and a narrow zigzag or serger. Cut from a swim-specific pattern, add swim elastic to the leg and neck openings, and line the front panel for opacity and support.

Skill Level: Intermediate to Advanced

Best Fabric: Nylon spandex (4-way stretch, chlorine-resistant)

Making your own swimwear lets you get the perfect fit, color, and coverage. Start with a simple bikini top and bottom, then work up to lined one-pieces. Use swim-rated nylon spandex that resists chlorine and UV fading.

Tips: Use a narrow zigzag stitch, fold-over elastic for edges, and wooly nylon in the bobbin. Leave neckline and leg openings slightly tight — they'll stretch with wear.

How Do You Sew High-Waisted Leggings?

To sew high-waisted leggings, use 4-way-stretch fabric and a leggings pattern in your size. Sew the leg and crotch seams with a narrow zigzag or serger, then fold the high waistband over wide elastic and topstitch. A walking foot keeps seams smooth.

Skill Level: Beginner to Intermediate

Best Fabric: Cotton spandex (10 oz, opaque, comfortable)

Leggings are one of the best beginner projects for stretch fabric. A basic legging pattern has just two pieces plus a waistband. Use medium-weight cotton spandex for everyday wear or nylon spandex for athletic use.

Tips: Make sure the fabric passes the "squat test" — hold it up to light while stretched. If you can see through it, use a heavier weight. Attach a wide elastic waistband for comfortable all-day wear.

How Do You Sew a Sports Bra?

To sew a sports bra, use firm 4-way-stretch spandex for support. Cut the front, back, and lining, sew with a stretch stitch, and add elastic under the band and around the armholes. A power-mesh lining boosts compression for higher-impact activities.

Skill Level: Intermediate

Best Fabric: Nylon spandex (moisture-wicking, supportive)

A well-fitted sports bra is a game-changer, and making your own means custom sizing. Nylon spandex provides the support and moisture management you need. Add a power mesh lining for extra support.

Tips: Use FOE (fold-over elastic) for clean edges, and cut the band 10-15% smaller than your measurement for proper support. Use a stretch stitch for all seams.

How Do You Sew a Rash Guard?

To sew a rash guard, use 4-way-stretch nylon spandex for a snug, water-ready fit. Cut a fitted top pattern, sew seams with a narrow zigzag or serger, and finish the neck and cuffs with bands for flat, chafe-free edges.

Skill Level: Intermediate

Best Fabric: Nylon spandex (UPF protection, quick-dry)

Rash guards protect from sun and surf. They're essentially fitted t-shirts made from swim fabric. The snug fit and nylon spandex material provide UPF 50+ sun protection while staying comfortable in water.

Tips: Use flatlock or flat-felled seams to prevent chafing. Add a zipper at the neck for easy on/off. Choose bright colors for water visibility.

How Do You Sew Yoga Pants With Pockets?

To sew yoga pants with pockets, use 4-way-stretch fabric and a leggings pattern. Add drop-in side pockets to the outer leg panels before joining the side seams, then attach a wide elastic waistband. Sew with a stretch stitch so seams move with you.

Skill Level: Intermediate

Best Fabric: Cotton spandex or nylon spandex blend

Take your legging skills up a notch by adding side pockets — the feature every yoga pant needs! Use cotton spandex for breathable studio wear or nylon spandex for hot yoga.

Tips: Cut pocket bags from mesh or power mesh to reduce bulk. Interface the pocket opening for stability. Test the pocket size with your phone before finishing.

How Do You Sew a Dance Leotard?

To sew a dance leotard, use 4-way-stretch spandex and a leotard pattern. Sew the shoulder, side, and crotch seams with a stretch stitch, then finish the leg, neck, and arm openings with elastic. Line the bodice for opacity and a smooth fit.

Skill Level: Advanced

Best Fabric: Nylon spandex (high stretch recovery, performance)

Dance leotards need precise fit and high-performance fabric. Nylon spandex provides the stretch recovery that keeps the garment in place during movement. Line with flesh-tone mesh or matching fabric.

Tips: Use elastic at leg openings and neckline for a clean, secure fit. Grade seam allowances to reduce bulk. Test fit with a muslin in stretch fabric first.

How Do You Make Spandex Headbands?

To make spandex headbands, cut a strip from 4-way-stretch fabric to your head measurement minus a couple of inches for stretch. Fold it lengthwise, sew into a tube, turn out, and join the ends. No elastic is needed since the fabric provides the stretch.

Skill Level: Beginner

Best Fabric: Either — use up your scraps!

The perfect beginner project and a great way to use leftover spandex. Make wide workout headbands, knotted headbands, or scrunchies. These also make great gifts and craft fair items.

Tips: Cut strips 4-6" wide for workout headbands. Use a tube-turn method for clean edges. Mix and match colors from EOVEA's nylon spandex collection.

How Do You Sew Compression Sleeves?

To sew compression sleeves, use firm 4-way-stretch spandex measured snugly to the arm or leg. Cut tapered tubes, sew the long seam with a stretch stitch, and finish both ends with elastic or a folded hem so the sleeve stays put during activity.

Skill Level: Beginner

Best Fabric: Nylon spandex

Simple tube construction makes these a quick project. Compression sleeves are great for running, cycling, or sun protection. Arm warmers work for dance, costumes, or layering fashion.

Tips: Measure your arm circumference and subtract 15-20% for compression fit. Use a zigzag or serger stitch. Hem with a twin needle for a professional edge.

How Do You Sew a Fitted T-Shirt Dress?

To sew a fitted T-shirt dress, use soft cotton spandex jersey and a knit dress pattern. Sew the shoulder and side seams with a narrow zigzag or serger, then finish the neckline with a band and hem the sleeves and skirt with a stretch stitch.

Skill Level: Intermediate

Best Fabric: Cotton spandex (soft, breathable, flattering drape)

A fitted t-shirt dress is a wardrobe staple. Cotton spandex gives you that comfortable stretch while maintaining structure. Add side seam pockets for extra functionality.

Tips: Use a trusted t-shirt pattern and extend the length. Add a 1" hem band at the bottom for weight and a clean finish. Consider a contrast neckband for visual interest.

How Do You Sew a Cosplay Bodysuit?

To sew a cosplay bodysuit, use 4-way-stretch spandex and a fitted bodysuit or zentai pattern. Sew all seams with a stretch stitch or serger, add a back zipper for entry, and mirror any printed or pieced details across both halves for symmetry.

Skill Level: Advanced

Best Fabric: Nylon spandex (smooth surface for printing/painting)

From superhero suits to dance performances, spandex bodysuits are a cosplay essential. The smooth surface of nylon spandex accepts fabric paint and sublimation printing beautifully.

Tips: Make a full-body muslin first — fit is critical. Use invisible zippers at center back. Consider adding a gusset for comfort. EOVEA's nylon spandex comes in 15+ solid colors perfect for costume bases.

Which Spandex Should You Pick for Each Project?

For all these projects, choosing the right stretch fabric is key. Here's a quick guide:

Water/athletic projects → Nylon Spandex (4-way stretch)
Casual/everyday wear → Cotton Spandex Jersey (10 oz)
Quick gifts/beginner projects → Either fabric works great

All fabrics are available by the yard at EOVEA Fabric with fast USA shipping. Check out our stretch fabric guide for more buying tips.

Frequently Asked Questions

What's the easiest spandex project for beginners?

Headbands and scrunchies are the easiest — they're small, forgiving, and let you practice sewing stretch fabric without committing to a full garment.

How much spandex fabric do I need for leggings?

For standard leggings, you'll need 1.5-2 yards of 58-60" wide fabric, depending on your size and the pattern's layout. Always buy an extra 1/4 yard for mistakes or testing.

Can I use cotton spandex for swimwear?

No. Cotton absorbs water, becomes heavy, and loses shape when wet. Always use nylon spandex for swimwear — it's chlorine-resistant, quick-drying, and maintains its stretch in water.

Do I need a special sewing machine for spandex?

No. Any home sewing machine with a zigzag stitch can sew spandex. A serger is helpful but not required. The most important things are the right needle (ballpoint/stretch) and reduced presser foot pressure.