Good morning, quilters! Corey here.
One stretches. One doesn't. That changes everything.
If you've ever wondered why a t-shirt moves with you while your quilting cotton holds perfectly still, you've already discovered the biggest divide in the fabric world: knit vs. woven. Every fabric you'll ever sew falls on one side of this line, and knowing which one you're holding tells you how it will cut, sew, wear, and wash.
The difference is in the construction
Woven fabric is made of two sets of threads crossing at right angles—a warp and a weft, interlaced like a basket. That grid structure is why wovens are stable, crisp, and predictable.
Knit fabric is made from one continuous yarn looped through itself, row after row—the same structure as a hand-knitted sweater, just tiny. Those loops can shift and open, which is exactly what gives knits their stretch.
The 5-second test
Grab the fabric on the crossgrain and give a gentle tug:
- Stretches noticeably and springs back? It's a knit.
- Barely moves (except a little on the diagonal)? It's a woven.
You can also look closely at the surface: knits show tiny V-shaped loops like miniature braids; wovens show a crisscross grid.
How each one behaves
Wovens (quilting cotton, linen, canvas, flannel, lawn): stable and easy to cut accurately, they hold a press, take a crease, and won't grow out of shape—which is exactly why quilters live in them. The trade-off: raw edges fray, and there's no forgiveness in fit.
Knits (jersey, interlock, rib knit, fleece—and yes, minky is a knit): they stretch, drape, and recover, they're comfortable in garments, and their edges don't fray. The trade-off: they can stretch out of shape while you sew, curl at the edges, and demand a little more technique.
What this means at the machine
- Needles: a sharp or universal needle for wovens; a ballpoint or stretch needle for knits, so the tip slides between loops instead of piercing and breaking them.
- Stitches: a plain straight stitch suits wovens; knits want a narrow zigzag or stretch stitch so seams can flex without popping.
- Handling: let knits feed without pulling, and consider a walking foot. With wovens, your usual quilting habits already have you covered.
For quilters specifically
Nearly all traditional quilting happens in wovens—that stability is what makes precise piecing possible. But knits earn their place in the sewing room too: minky backings turn quilts irresistibly soft, and t-shirt quilts are knits by definition (that's why they're stabilized with interfacing before piecing). Know which fabric you're holding, treat it accordingly, and both will behave beautifully.
Remember
Knit or woven isn't about better or worse—it's about the right structure for the job. Stable and precise? Reach for a woven. Soft, stretchy, and cozy? That's knit territory.
Happy Quilting!
From Corey.
