What Is Brioche Knitting?
Brioche is a knitting technique where you work every other stitch on each row, slipping the in-between stitches with a yarn over. On the next row, you knit each slipped stitch together with its yarn over, creating a plump, pillowy stitch that's twice as thick as stockinette.
Fisherman's rib is the one-color version. It looks identical to brioche but uses a different construction method (knitting into the row below instead of slipping with yarn overs). The result is the same: thick, squishy, reversible 1x1 ribbing.
Two-color brioche uses two yarns, alternating colors each row. One color dominates the front, the other dominates the back. Flip the fabric over and the colors reverse. This is what makes brioche scarves and cowls so impressive: two distinct looks in one project.
How Do You Work Basic One-Color Brioche?
Setup Row: Cast on an odd number of stitches. Row 1 (setup): Knit 1, slip 1 with yarn in front and yarn over (sl1yo). Repeat across. End with knit 1.
The Two Repeating Rows:
Row 2: Slip 1 with yarn over (sl1yo), bark (brk: knit the slipped stitch together with its yarn over). Repeat across.
Row 3: Bark (brk), slip 1 with yarn over (sl1yo). Repeat across.
Alternate Rows 2 and 3. That's it. Two moves: sl1yo and brk. The rhythm becomes automatic after 6-8 rows.
Two-Color Brioche:
Work each row twice: once with Color A (sliding stitches back to the beginning of the needle) and once with Color B. You need double-pointed needles or a circular needle so you can work from both ends.
Row 1A (Color A): sl1yo, bark. Repeat. Row 1B (Color B): brp (brioche purl), sl1yo. Repeat.
The two colors create contrasting ribs on each side. Front shows Color A ribs on a Color B background. Back shows Color B ribs on a Color A background.
How Does the FiberTools Gauge Calculator Help?
Brioche gauge is nothing like stockinette gauge. The fabric is roughly half as wide and twice as thick as the same stitch count in regular knitting. If your stockinette gauge is 20 stitches per 4 inches, your brioche gauge might be 12-14 stitches per 4 inches in the same yarn.
The Gauge Calculator takes your brioche swatch measurements and calculates how many stitches to cast on for your target width. Enter your brioche gauge (not your stockinette gauge), and the tool handles the math.
Brioche also uses more yarn than you expect. Each brioche stitch consumes roughly 2x the yarn of a regular knit stitch because every stitch includes a yarn over. A brioche scarf needs about twice the yardage of a stockinette scarf the same size. Use the Yarn Calculator to estimate total yardage, then multiply by 1.8-2.0 for the brioche factor.
What Yarn Works Best for Brioche?
Smooth, plied yarns show brioche stitch definition most clearly. Look for tightly plied merino, merino blends, or superwash wool in DK to worsted weight.
Avoid: Fuzzy yarns (mohair, brushed alpaca) obscure the stitch definition. Singles yarns (one-ply) bias in brioche and create uneven ribs. Cotton has no elasticity and produces flat, lifeless brioche. Variegated yarns muddy the clean rib lines.
For two-color brioche: Choose two colors with high value contrast (one light, one dark). The contrast makes the color-switching ribs pop. Low contrast makes the two-color effect invisible.
Yarn weight sweet spot: DK (CYC 3) or worsted (CYC 4). Fingering weight brioche takes forever because the fabric grows slowly. Bulky weight brioche is gorgeous but very thick and heavy.
What Are Common Tips and Mistakes?
Swatch in brioche, not stockinette. Your brioche gauge will be completely different. A stockinette swatch is useless for planning a brioche project.
Count stitches by pairs. In brioche, each "stitch" is actually a pair: the knit column plus the purl column behind it. When the pattern says 40 stitches, you have 40 visible knit columns, but 80 loops on your needle (including the yarn overs). Count the knit columns, not the loops.
Use lifelines. Brioche is hard to frog cleanly. The yarn overs tangle with the slipped stitches, and it's easy to lose a stitch when ripping back. Thread a piece of scrap yarn through all stitches every 10-15 rows. If you make a mistake, you can rip back to the lifeline safely.
Don't pull the yarn over tight. A tight yarn over scrunches the brioche and makes it stiff. Let the yarn over sit loosely on the needle. The next-row brk stitch absorbs the slack and creates the plump look.
Common mistakes: - Forgetting the yarn over on a sl1yo (drops a stitch on the next row) - Working sl1yo at the beginning of a row when it should be brk (or vice versa) - Using stockinette gauge for calculations (brioche is ~50% narrower) - Not alternating which end of the needle you start from in two-color brioche - Choosing two colors too similar in value (the two-color effect disappears)
What Do Real Brioche Projects Look Like?
The one-color cowl. A knitter made a brioche cowl in worsted weight merino, 100 stitches around on a 24-inch circular needle. The thick, squishy fabric measured 9 inches tall and 22 inches around. She used 310 yards, about 80% more than a regular ribbed cowl the same size. Project time: 12 hours. The reversible fabric looked equally good on both sides.
The two-color scarf. A knitter used DK weight in charcoal and gold for a two-color brioche scarf, 35 stitches wide (70 loops), 62 inches long. Front showed charcoal ribs on gold background; back showed gold ribs on charcoal. She used 420 yards of each color (840 total). Project time: 25 hours. The scarf became her most complimented accessory.
The brioche hat. A knitter worked a one-color brioche hat from the brim up in bulky weight. Cast on 56 stitches on DPNs, worked 7 inches, then decreased. Total yarn: 140 yards. The thick brioche fabric made the hat extremely warm without needing a lining.
Frequently Asked Questions
Does brioche really use twice as much yarn as regular knitting?
Roughly yes. Each brioche stitch includes a yarn over that doubles the yarn consumption per stitch compared to plain knitting. A stockinette scarf using 250 yards needs about 450-500 yards in brioche at the same dimensions. Always multiply your regular yarn estimate by 1.8-2.0 for brioche projects.
Is brioche knitting hard to learn?
The technique itself has only two moves: sl1yo and brk. Learning those takes about 30 minutes. The challenge is reading your fabric, catching mistakes early, and managing two colors (for two-color brioche). Start with a one-color swatch of 21 stitches. Once the rhythm clicks after 8-10 rows, everything else builds on those same two moves.
Can I do brioche in crochet?
Not exactly. There's no direct crochet equivalent of brioche knitting. However, "brioche crochet" (also called "slip stitch ribbing") creates a similar-looking thick ribbed fabric. It uses front post and back post slip stitches to mimic the knit-purl rib appearance. It's thicker and stiffer than knit brioche.
Why does my brioche fabric look wrong on one side?
In two-color brioche, if one side looks messy while the other looks clean, you're probably working sl1yo and brk on the wrong rows for one of the colors. Check that Color A always does the same operation (bark or brp) and Color B always does the opposite. Consistency between colors creates the clean rib separation.
Start Your First Brioche Project
Brioche is one of those techniques that feels impossible until it clicks, and then it's your favorite thing to knit. Start with a one-color swatch. Graduate to a cowl. Then try two-color brioche for the full effect.
Swatch in brioche and enter your gauge into the Gauge Calculator for accurate stitch counts. Use the Yarn Calculator and multiply by 2 for yardage. Then cast on and start squishing.