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150gsm Nylon Spandex High-Stretch Swimwear Fabric — 24% Elastane Double Plain Weave | 59 Inch

150gsm nylon spandex swimwear fabric, double plain weave. 24% elastane — strong four-way stretch that snaps right back. Solid weight, substantial hand feel, not the thin flimsy stuff. Clean surface, no shine. Use it for competitive swimwear, training suits, bikinis. Fully opaque, no lining needed. Handles chlorine and saltwater without fading or sagging. Built for the water.

  • Product Type 4040-5 Nylon Spandex Double Plain Weave / 150G
  • Article WJ150340D
  • Width 160CM / 59 Inch
  • Weight 150 gsm
  • Comp Nylon 76% / Spandex 24%

How does it feel?

150gsm nylon spandex double plain weave swimwear fabric. 24% elastane — you pull it and it snaps right back, no hesitation. Solid weight, not flimsy. Clean surface, no shine, no sparkle. 59 inches wide. You pick it up and you know it's there — substantial, built for the water, not for floating around. 

Is it tough? Does it last?

Built for the pool. Handles chlorine, saltwater, sun, and repeated washing without giving up. Won't sag, won't bag, won't fade. Fully opaque — no lining needed. Nylon holds its color, spandex holds its snap. For competitive swimwear and training suits that get worn hard and washed often, it goes the distance.

What can I make with it?

Competitive swimwear, training suits, bikinis, one-pieces. If someone is in the water several times a week and needs their suit to hold its shape and stay fully opaque, this is the one. Not for breezy cover-ups or lightweight draping — this is for pieces that need to perform under pressure.

FAQ

Q 24% elastane — how strong is the stretch?
A Pulls over 2x crosswise, snaps right back. 24% is on the high end for swimwear fabric. Stronger stretch than the 10% or 12% versions. Good compression without feeling tight. A year later, the snap is still there.
Q Is 150gsm considered thick or thin for swimwear?
A Mid to heavy. More substantial than the lightweight stuff, but not the heaviest we carry. Completely opaque, no lining needed. Holds its shape in and out of the water. Won't cling wet and heavy to the body.
Q What's the difference between double plain weave and regular swimwear fabric?
A Double plain weave has an extra yarn in the warp direction, so the fabric is denser and more tear-resistant. It's got a bit more body than standard plain weave swim fabric — not stiff, but structured. Holds its shape longer through wear and washing.
Q Does it hold up to chlorine and saltwater?
A Will it fade? Yes. Nylon naturally resists chlorine better than polyester. This fabric has been tested for regular pool use — colors stay true, fabric doesn't turn brittle. Rinse with fresh water after each use and it'll last even longer.
Q Is this better for bikinis or one-pieces?
A Both. At 150gsm it's opaque enough for bikinis and structured enough for one-pieces. Strong stretch gives good coverage, works for plus-size swimwear too. If you need something lighter for cover-ups or wraps, we have other options.