Cozy & Chic: How to Crochet a Sweater Vest (Step-by-Step Tutorial)

If you’ve been scrolling through your social media feed lately, you’ve probably noticed that the sweater vest is absolutely everywhere. From oversized wool layers to sleek fitted styles, this wardrobe staple has made a full comeback — and the crochet version might just be the most satisfying one to make. Whether you’re a seasoned crocheter looking for your next wearable project or someone who’s graduated past dishcloths and scarves and wants to level up, this sweater vest tutorial is exactly where you want to be.

I put together a full video walkthrough over on my YouTube channel, Belina Bellwood, so if you’re someone who learns better by watching hands in action, head over there and follow along. But if you prefer to read at your own pace, bookmark this post, grab your hooks, and let’s get into it.

Why Crochet a Sweater Vest?

Before we dive into the actual pattern, let’s talk about why a crochet sweater vest is such a fantastic project to take on.

First, there are no sleeves. I know that sounds like a small thing, but if you’ve ever spent three weeks on a sweater only to realize one sleeve is noticeably longer than the other, you understand the relief of simply not having to deal with that. A sweater vest gives you all the satisfaction of making a wearable garment without the sleeve anxiety.

Second, sweater vests are incredibly versatile in terms of yarn weight, style, and stitch choice. You can make one that’s light and breezy for layering over a t-shirt in spring, or thick and substantial to wear over a turtleneck in winter. The structure of a vest means you have a lot of creative freedom in how you finish the neckline, armholes, and hem.

Third — and honestly this might be the biggest reason — they are genuinely fashionable right now. A handmade crochet sweater vest in a beautiful neutral or a rich jewel tone can look absolutely stunning, and people will ask where you bought it. That’s the best kind of compliment a crafter can receive.

Materials You’ll Need

Let’s get your supplies sorted before we start. Here’s what I recommend for this project.

Yarn: For this tutorial, I’m using a worsted weight yarn in a heathered oatmeal tone. Worsted weight is a great entry point for garment crochet because it works up quickly and gives the fabric good structure without being too stiff. You’ll need approximately 800–1,200 yards depending on your size. A yarn with some natural fiber content — like a wool-acrylic blend or a cotton-acrylic blend — will give you the best drape and stitch definition.

Hook: I’m using a 5mm (H/8) hook. Always check your gauge before starting a garment — I can’t stress this enough. Even if you’ve crocheted for years, your tension can vary between projects and yarn brands.

Notions: You’ll need a yarn needle for seaming and weaving in ends, stitch markers, scissors, and a measuring tape. If you want to add buttons down the front, have those ready too.

Gauge: 14 stitches and 16 rows = 4 inches in half double crochet. Adjust your hook size as needed to match this.

Sizing

This pattern is written for sizes XS through XL. Here are the finished bust measurements you’re aiming for:

XS: 32–34 inches, S: 34–36 inches, M: 38–40 inches, L: 42–44 inches, XL: 46–48 inches.

The vest is designed with approximately 2 inches of positive ease, meaning it’s meant to fit loosely and comfortably over a shirt. If you prefer a more fitted look, size down. If you want an oversized, relaxed fit, size up.

Throughout the pattern, instructions for different sizes are listed in order: XS (S, M, L, XL). When 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
sk — skip
BLO — back loop only
FLO — front loop only
RS — right side
WS — wrong side

The Pattern: Crochet Sweater Vest

This vest is worked flat in two pieces — a front panel and a back panel — then seamed at the shoulders and sides. There’s a ribbed border around the neckline, armholes, and hem that gives it a polished, finished look without requiring you to pick up stitches in complicated ways. It’s tidy, it’s beginner-friendly in construction, and the result is genuinely beautiful.

The main stitch pattern is a simple textured half double crochet worked in the back loop only. This creates a subtle ribbed texture across the body of the vest that photographs beautifully and has great drape.

Back Panel

Foundation: Chain 57 (61, 69, 77, 85).

Row 1 (RS): Starting in the 3rd chain from hook, hdc across. Turn. [55 (59, 67, 75, 83) sts]

Row 2: Ch 2, hdc in BLO across. Turn.

Repeat Row 2 until your piece measures 13 (13.5, 14, 14.5, 15) inches from the foundation chain, or until your piece reaches your desired body length. This is typically measured from the bottom hem to the armhole.

Armhole Shaping: At this point, you’ll shape the armholes by working a slip stitch across the first 5 (5, 6, 6, 7) stitches, then continuing in the established pattern across until 5 (5, 6, 6, 7) stitches remain. Turn, leaving those last stitches unworked. [45 (49, 55, 63, 69) sts]

Next row: Ch 1, sl st across first 2 sts, ch 2, hdc in BLO across until 2 sts remain. Turn. [41 (45, 51, 59, 65) sts]

Repeat this decrease row 1 (1, 2, 2, 3) more times. [39 (43, 47, 55, 59) sts]

Continue working even in BLO hdc until the armhole measures 9 (9.5, 10, 10.5, 11) inches.

Shoulder Shaping: Sl st across the first 10 (11, 12, 14, 15) stitches. Work across the next 19 (21, 23, 27, 29) stitches and fasten off — this is your back neck. Reattach yarn to the remaining shoulder stitches and fasten off. You now have two shoulder sections.

Front Panel

Work the front panel exactly as the back panel through the armhole shaping, then continue as follows.

Neckline Shaping: Once your armhole measures approximately 5 (5.5, 6, 6, 6.5) inches, you’ll divide for the neckline.

Work across the first 14 (15, 17, 20, 22) stitches. Turn, leaving remaining stitches unworked. This is your first front shoulder.

Continue working in BLO hdc, decreasing 1 stitch at the neck edge every row, 4 times total. [10 (11, 13, 16, 18) sts]

Work even until the shoulder is the same length as the back shoulder. Fasten off.

Reattach yarn to center to work the second front shoulder, skipping the middle 11 (13, 13, 15, 15) stitches for the center neck opening. Mirror the first shoulder shaping, then fasten off.

Seaming

Lay your front and back panels together with right sides facing. Using a yarn needle and a length of your project yarn, seam both shoulder seams. I prefer the mattress stitch for shoulder seams because it creates a nearly invisible join, but whip stitch works well too if that’s your preference.

Next, seam the side seams. Leave the top 9 (9.5, 10, 10.5, 11) inches open for the armholes. Pin your seam before stitching if it helps you keep everything aligned.

Turn the vest right side out and admire what you’ve made so far. At this point you have a complete shape — you just need to finish the edges.

Finishing: Ribbed Borders

The borders are what elevate this vest from “I made a rectangle” to “I made a garment.” They’re worked in a simple sc ribbing, which means you work short rows back and forth, attaching to the vest edge as you go. This technique gives you a firm, stretchy border with a clean professional finish.

Bottom Hem Border:

With RS facing, attach yarn to the bottom edge at a side seam. Ch 8.

Row 1: Sc in 2nd chain from hook and across. [7 sts] Sl st into the next 2 stitches along the vest edge to anchor the border. Turn.

Row 2: Working in BLO, sc across the 7 border stitches. Turn.

Row 3: Ch 1, sc in BLO across, sl st into the next 2 vest edge stitches. Turn.

Repeat Rows 2–3 all the way around the bottom edge. When you meet your starting point, join with a slip stitch and fasten off. Use your yarn needle to seam the short edges of the ribbing together.

Armhole Borders:

Work the same ribbing technique around each armhole opening. Work ch 6 instead of ch 8 for a slightly narrower armhole border. Join at the end.

Neckline Border:

The neckline border is worked the same way, going all the way around the V-neck or U-neck opening depending on how deep you made it. Take your time around the corners and curves — you can place your sl st anchor points a little closer together in curved sections to help the border lie flat.

Tips for Getting the Best Results

Blocking is your friend. Once your vest is complete, wet block it by gently soaking it in cool water, pressing out excess water in a towel, and pinning it to your measurements on a blocking mat. This step alone can transform a slightly uneven piece into something that looks professionally made.

Check your gauge seriously. I know I said this already, but garments are unforgiving when your gauge is off. A tension that’s even half a stitch off per four inches can mean your finished vest is several inches off in final measurements. Make a proper swatch, wash it the same way you’ll wash the finished vest, and measure again after it dries.

Use stitch markers generously. Mark your armhole decrease points, your center front neck, and the beginning of each round or section. You’ll thank yourself later when you’re tired and working on autopilot.

Take breaks during seaming. Side seams are tedious, and rushing them shows. Put on something good to watch and take your time. A carefully seamed garment wears better and looks better.

Choose your yarn thoughtfully. Avoid anything too fuzzy or hairy for this particular pattern, as the BLO texture detail will get lost. A smooth yarn with good stitch definition — a wool blend, cotton, bamboo-cotton, or even a nice acrylic — will show off the pattern beautifully.

Customization Ideas

One of the best things about making your own garment is that you get to make it entirely yours. Here are some ways to customize this sweater vest pattern.

Add a button band. Instead of a closed V-neck, you can leave the front open and add a button band down each side of the opening. Work your ribbing as normal and add evenly spaced button loops on one side.

Try a different stitch pattern. The BLO hdc gives a lovely texture, but you could easily substitute a moss stitch, a granny square layout, or a basketweave pattern if you want something more visually complex. Just make sure to recalculate your gauge before adjusting your stitch count.

Play with colorwork. Stripes are an easy win here — changing colors every two or four rows gives you a completely different look without adding any complexity to the construction. You can also try tapestry crochet for geometric motifs if you’re feeling adventurous.

Crop it or lengthen it. The pattern as written hits around the hip, but you can shorten the body for a cropped version that sits at the waist, or lengthen it for a duster-style longline vest that’s very on-trend right now.

Fringe or tassels at the hem. Cut lengths of yarn about 12 inches long, fold them in half, and use your hook to attach them along the hem for a boho fringe detail. It takes about twenty minutes and it completely changes the vibe of the piece.

Frequently Asked Questions

Can beginners make this vest?
Yes, with patience. The stitches themselves — hdc in BLO — are very approachable. The trickiest parts are the armhole shaping and seaming, but I walk through both carefully in the YouTube video on the Belina Bellwood channel. If you can work a flat rectangle and count your stitches, you have the skills for this project.

How long will this take to make?
Most people complete this vest in two to three weekends of focused crocheting, or a couple of weeks if you’re working on it in shorter sessions. Worsted weight moves quickly.

What if I run out of yarn?
This is why I recommend buying a little more than the yardage listed. If you do run short, try to join new yarn at a side seam rather than in the middle of a row, and make sure your new yarn is from the same dye lot if you’re using a solid or semi-solid color.

Can I machine wash the finished vest?
That depends entirely on your yarn. Always follow the care instructions on your yarn label. If you used a superwash wool or a synthetic blend, machine washing on a gentle cycle is usually fine. If you used a non-superwash wool or a natural fiber like cotton, hand washing is safer.

The armhole feels too large. What can I do?
Adjust the number of stitches you slip stitch across at the beginning of the armhole shaping. Slipping fewer stitches makes a smaller, more fitted armhole. You can also add an extra round to your armhole border ribbing to bring in the opening a bit.

Final Thoughts

There’s something really special about wearing something you made with your own hands. A sweater vest is the kind of project that feels ambitious but is actually very achievable, and the result is a piece you’ll wear constantly because you love it and because you’re quietly proud every time someone asks about it.

If you make this vest, I would love to see it. Tag me over on YouTube at Belina Bellwood or leave a comment below with your finished project. Tell me what yarn you used, what size you made, and any modifications you added. This community of makers is one of my favorite things about sharing patterns, and seeing your versions always brings me so much joy.

Now go make something beautiful.