Free Crochet Striped Collar Sweater Vest Pattern for a Classy Look

There is something undeniably satisfying about finishing a garment that looks like it came straight from a boutique window — and then being able to say you made it yourself. A striped collar sweater vest is one of those pieces that manages to feel both timeless and fresh at the same time. It layers beautifully over a long-sleeve blouse, a crisp button-down, or even a fitted turtleneck, and the addition of a structured collar gives it an elevated, polished edge that plain vests simply cannot replicate. Best of all, this free crochet pattern is designed to be approachable for confident beginners and intermediate crocheters alike, using simple stitches arranged in a way that creates a visually striking finished piece.

Whether you are building a capsule wardrobe, looking for a handmade gift idea, or simply itching to cast on something new, this sweater vest deserves a spot on your project list. Let’s walk through everything you need to know, from materials to finished styling, so you can get started right away.

Why Crochet a Sweater Vest?

Sweater vests have cycled in and out of fashion for decades, but they have never truly disappeared — and right now, they are having a major moment. The sleeveless silhouette makes them incredibly versatile across seasons. In autumn and winter, a vest layered over a cozy long-sleeve shirt keeps you warm without the bulk of a full sweater. In spring and even summer evenings, a lightweight vest over a simple white tee gives you just the right amount of coverage.

Crocheting your own means you get to choose the exact colors, yarn weight, and fit that works for your body and your lifestyle. Store-bought vests often come in limited colorways, and the quality can feel disappointing. A handmade version, on the other hand, carries a texture and character that cannot be mass-produced.

The striped design in this pattern is particularly clever because it works up quickly — you will see progress with every row — and it gives the finished piece that artsy, intentional quality that makes people think you spent far more time on it than you did. The collar is worked separately and attached, which means you can adjust its size and shape with very little reworking.

Materials You Will Need

Before you begin, gather everything together so your project flows without interruption.

Yarn: You will need two contrasting colors of worsted weight yarn (Category 4). A smooth, plant-based yarn like cotton or a cotton-blend works beautifully for this project because it gives the stripes crisp, clean lines and drapes well on the body. Plan for approximately 400–500 yards of your main color (Color A) and 200–300 yards of your contrast color (Color B), depending on your size. Slightly more yardage may be needed for larger sizes.

Hook: A US size 5mm (H/8) crochet hook is recommended for worsted weight yarn. If your gauge runs loose, try a 4.5mm hook. If it runs tight, go up to a 5.5mm.

Additional supplies: A yarn needle for weaving in ends, scissors, locking stitch markers, a tape measure, and straight pins if you plan to block the finished pieces.

Optional: Blocking mats and rust-proof pins are highly recommended if you want the cleanest, most professional finish. Cotton and cotton-blend yarns especially benefit from a good wet block.

Gauge

Gauge is important in garment making. Even being slightly off can result in a vest that is too small to wear or so large it swims on your frame.

Gauge: 14 stitches and 16 rows = 4 inches (10 cm) in half double crochet (hdc) using a 5mm hook.

Take the time to make a gauge swatch at least 6 inches square, wash and dry it the same way you plan to care for the finished garment, and measure again. Adjust your hook size up or down until your gauge matches.

Sizing

This pattern is written for sizes XS through 3XL. Finished measurements are given for the garment, not the body, so there is approximately 2–3 inches of positive ease built in for a comfortable, non-restrictive fit.

Finished chest measurements:
XS: 32 inches | S: 36 inches | M: 40 inches | L: 44 inches | XL: 48 inches | 2XL: 52 inches | 3XL: 56 inches

When instructions list multiple sizes, they appear in this order throughout: XS (S, M, L, XL, 2XL, 3XL). If only one number is given, it applies to all sizes.

Stitch Abbreviations

ch — chain
sl st — slip stitch
sc — single crochet
hdc — half double crochet
dc — double crochet
st(s) — stitch(es)
sp — space
rep — repeat
RS — right side
WS — wrong side
BLO — back loop only

Pattern Notes

This vest is worked in two flat pieces — a front panel and a back panel — then seamed at the shoulders and sides. The collar is worked as a separate piece and sewn on at the end. Stripes are created by switching yarn colors at the end of the designated rows. When changing colors, do so on the last yarn over of the final stitch of that row so the new color appears at the start of the next row. Carry the unused yarn up the side if the stripe repeat is only two rows; otherwise, cut and rejoin.

The right side of the fabric is the side facing you as you work the foundation row.

The Back Panel

Foundation: Using Color A, chain 57 (63, 71, 77, 85, 91, 99).

Row 1 (RS): Hdc in the 3rd chain from the hook (the skipped chains count as the first hdc), hdc in each ch across. Turn. — 56 (62, 70, 76, 84, 90, 98) hdc

Rows 2–4: Ch 2, turn. Hdc in each st across. (Color A throughout.)

Row 5: Switch to Color B. Ch 2, turn. Hdc in each st across.

Row 6: Color B. Ch 2, turn. Hdc in each st across.

Rows 7–10: Switch to Color A. Ch 2, turn. Hdc in each st across for 4 rows.

Continue working this stripe sequence — 4 rows Color A, 2 rows Color B — until your piece measures approximately 13 (13.5, 14, 14.5, 14.5, 15, 15) inches from the foundation chain, ending with a complete stripe repeat. The body should feel substantial without being stiff.

Armhole Shaping:

With RS facing, sl st across the first 4 (4, 5, 5, 6, 6, 7) sts. Ch 2, hdc across until 4 (4, 5, 5, 6, 6, 7) sts remain. Turn, leaving those last sts unworked. — 48 (54, 60, 66, 72, 78, 84) sts

Decrease Row: Ch 2, turn. Hdc2tog (half double crochet decrease) over the first 2 sts, hdc across until 2 sts remain, hdc2tog. — 46 (52, 58, 64, 70, 76, 82) sts

Repeat the decrease row every RS row 2 (3, 3, 4, 4, 5, 5) more times. — 42 (46, 52, 56, 62, 66, 72) sts

Continue in stripe pattern without shaping until armhole measures 8 (8.5, 9, 9, 9.5, 9.5, 10) inches from the first armhole row.

Shoulder and Neck Shaping:

On the next row, work across the first 12 (13, 15, 16, 18, 19, 21) sts. Fasten off. Skip the center 18 (20, 22, 24, 26, 28, 30) sts for the back neck, rejoin yarn in the next st, work across the remaining 12 (13, 15, 16, 18, 19, 21) sts. Fasten off.

The Front Panel

Work exactly as the back panel through the armhole shaping. Continue in stripe pattern until the armhole measures 5 (5.5, 6, 6, 6.5, 6.5, 7) inches.

Front Neck Shaping:

Work across the first 15 (17, 19, 21, 23, 25, 27) sts. Turn, leaving the remaining sts unworked.

Decrease Row: Ch 2, turn. Hdc2tog, hdc across.

Repeat this decrease at the neck edge every row 3 (4, 4, 5, 5, 6, 6) times total. — 12 (13, 15, 16, 18, 19, 21) sts

Continue without shaping until the front armhole depth matches the back. Fasten off.

Rejoin yarn at the center of the front, skip the center 12 (12, 14, 14, 16, 16, 18) sts, and work the second shoulder to match the first, reversing all shaping.

Assembling the Vest

Weave in all ends before seaming, as it is much easier to do so on flat pieces. Lay the back and front panels right sides together and align the shoulder edges. Using your yarn needle and a length of Color A, seam the shoulders using a mattress stitch or a whip stitch — whichever gives you the cleanest join. Mattress stitch is nearly invisible when done correctly and is worth learning if you haven’t tried it.

Next, join the side seams, starting from the bottom edge and working upward. Leave the armhole area open, of course. Pin the seams before sewing to ensure the stripes align across the sides. There is nothing more satisfying than perfectly matched stripes on a seamed garment, and nothing more frustrating than stripes that are even slightly off. Those pins are worth the extra minute.

Turn the vest right side out and try it on or place it on a dress form if you have one. Check that everything sits where it should before you finish the edges.

Finishing the Armhole and Bottom Edges

For the armhole edges, join Color A at the underarm seam. Work one row of sc evenly around the armhole opening. Sl st to the first sc to close the round. Fasten off. Repeat on the second armhole.

For the bottom edge, join Color A at one side seam and work one row of sc across the bottom of the entire vest. Fasten off and weave in ends.

These simple edge rounds give the garment a clean, finished appearance and prevent the fabric from rolling or curling.

The Striped Collar

The collar is the feature that takes this vest from basic to boutique. It is worked flat and then attached to the neckline, giving you full control over how it sits on the finished garment.

Foundation: Using Color A, chain 71 (71, 75, 75, 79, 79, 83).

Row 1: Sc in the 2nd ch from the hook, sc in each ch across. Turn. — 70 (70, 74, 74, 78, 78, 82) sc

Row 2: Ch 1, turn. Sc in BLO across.

Row 3: Switch to Color B. Ch 1, turn. Sc in BLO across.

Row 4: Color B. Ch 1, turn. Sc in BLO across.

Rows 5–6: Switch to Color A. Ch 1, turn. Sc in BLO across.

Row 7: Color A. Ch 3 (counts as first dc), turn. Dc in each st across.

Row 8: Ch 3, turn. Dc in each st across.

Row 9: Switch to Color B. Ch 3, turn. Dc in each st across.

Row 10: Color B. Ch 3, turn. Dc in each st across.

Rows 11–12: Switch to Color A. Ch 3, turn. Dc in each st across.

Fasten off and weave in ends. The collar has a lovely spread to it from the transition between single and double crochet rows. Block the collar piece before attaching it.

Attaching the Collar:

With the vest and collar both right sides facing up, pin the foundation chain edge of the collar to the neckline of the vest. Center it so there is an equal overlap at each front shoulder. The collar should lie flat against the neckline and drape open slightly at the front, like the collar on a traditional polo or preppy knit. Using a yarn needle and Color A, sew the collar in place with a whip stitch along the pinned edge. Take your time here — how the collar is attached will determine how it frames the neckline on the finished piece.

Blocking the Finished Vest

Blocking transforms a crocheted garment. If you have never blocked before, this is the project to start with, because the difference is remarkable.

Fill a basin or sink with cool water and a small amount of gentle wool wash or dish soap. Submerge the vest and gently press the water through the fabric — do not wring or twist. Let it soak for about 20 minutes, then press out the water and roll it in a clean towel to remove the excess moisture. Lay the vest flat on blocking mats, pin it to your finished measurements using rust-proof pins, and allow it to dry completely — this usually takes 24 to 48 hours depending on humidity.

Once dry, the fabric will be noticeably softer, the stitches will even out beautifully, and the stripes will look crisp and intentional.

Styling Your Crochet Striped Collar Sweater Vest

This is truly a piece that earns its keep in a wardrobe. Here are a few ways to wear it once it comes off the blocking mats.

Pair it with a crisp white button-down shirt underneath, with the collar of the shirt left open above the vest collar for a layered, preppy look that works in almost every casual professional setting. Add slim trousers and loafers and you have an outfit that reads as put-together and creative at the same time.

For a more casual approach, wear it over a fitted long-sleeve ribbed top in a color that picks up one of the stripe colors. Straight-leg jeans and ankle boots round out the look effortlessly.

In warmer weather, try the vest over a simple sleeveless dress. The combination of the structured knit and a flowing dress creates an interesting juxtaposition of textures and silhouettes.

The vest also works exceptionally well over a turtleneck when the temperature drops. The collar stacks on top of the turtleneck in a way that looks intentional and layered without any fuss.

Tips for Customizing This Pattern

One of the great joys of making your own garments is the freedom to make them entirely your own. Here are a few modifications worth considering.

You can easily adjust the stripe frequency to suit your taste. Wider stripes — say, six rows of each color — create a bolder, more graphic look. Very narrow stripes of just one row each give the fabric an almost woven appearance. Both are beautiful and both use the same stitch and technique.

If you want a more relaxed, oversized fit, size up one or two sizes and the extra ease will give the vest that effortless, thrown-on quality that is very much on trend right now.

For a more textured look, try working the body in a simple berry stitch or a half double crochet moss stitch instead of the plain hdc. The collar will provide enough visual interest that a textured body won’t feel too busy.

Color-wise, the most classic combinations are navy and cream, burgundy and oat, or black and white. But earthy tones — terracotta and sand, forest green and warm tan — have a richness that feels particularly modern and wearable across a wide range of skin tones and personal styles.

Storing and Caring for Your Vest

Crochet garments, especially those made from cotton or cotton-blend yarns, tend to do best when laid flat to dry after washing rather than being tumble dried, which can cause them to stretch or shrink depending on the fiber. Hand washing is ideal, though many cotton-blend yarns are machine washable on a gentle cycle in a mesh laund