So Soft Comfy Knit Sweater [FREE Knitting Pattern]

There is something deeply satisfying about slipping into a sweater you made with your own hands. The weight of it settling onto your shoulders, the way the fabric drapes just right, the knowledge that every stitch came from your own needles — it is a feeling that no store-bought garment can replicate. Today I am sharing one of my all-time favorite projects: a So Soft Comfy Knit Sweater that is as enjoyable to make as it is to wear.

This pattern is designed with wearability in mind. It is not a show-off piece full of complicated cables or intricate colorwork. Instead, it focuses on texture, fit, and that irresistible softness that makes you want to reach for it every single morning. Whether you are curling up on the couch with a cup of tea, heading out for a casual errand, or layering it under a coat on a chilly day, this sweater earns its place in your regular rotation.

I have also written this pattern to be accessible for a range of skill levels. If you have made a few projects in the round and feel comfortable with basic shaping, you will be able to follow along without frustration. And if you are a more experienced knitter looking for a relaxing, rhythmic project you can work on while watching television, this one is genuinely wonderful for that too.

Let us get into everything you need to know.

Why You Will Love This Pattern

Before we dive into the materials and instructions, I want to talk a little bit about what makes this particular sweater design worth your time.

First, the yarn choice is everything here. This pattern is specifically designed to highlight the qualities of a soft, squishy worsted or bulky weight yarn. The stitch pattern is simple enough that the yarn itself becomes the star — you want something with a beautiful halo or a velvety feel that will really show off in the finished fabric. I will give you some specific yarn recommendations below, but the short version is: treat yourself to something that feels luxurious in your hands, because you will be working with it for hours and the finished sweater will thank you.

Second, the construction method is intuitive. This sweater is worked in the round from the bottom up, which means minimal seaming and a construction process that makes sense as you go. You can try it on as you knit to check the fit, which is one of the biggest advantages of seamless construction. Nothing is worse than finishing a sweater only to discover the armhole sits in the wrong place.

Third, the fit is designed to be comfortable and flattering on a wide range of body types. The pattern includes multiple sizes, and the silhouette has a relaxed but not boxy shape — enough ease to layer comfortably, but not so much that it swamps you.

Materials You Will Need

Yarn: Approximately 800–1,400 yards of worsted or bulky weight yarn, depending on your size. I recommend a yarn with a soft fiber content such as merino wool, alpaca blend, or a high-quality acrylic that genuinely earns the word “soft.” Some wonderful options include Paintbox Yarns Simply Chunky, Lion Brand Pound of Love (for a more budget-friendly option), Cascade 128 Superwash, or Malabrigo Chunky if you want to really spoil yourself. Look for something with a CYCA rating of 5 (bulky) for the faster-knitting version or 4 (worsted) if you prefer a slightly lighter fabric.

Needles: US size 9 (5.5 mm) or US size 10 (6 mm) circular needles, 32 inches or longer, for working the body in the round. You will also need a set of double-pointed needles or a second circular in the same size for the sleeves, or you can use the magic loop method if you prefer. Always check your gauge and adjust needle size accordingly.

Notions:

• Stitch markers (at least 4)
• Tapestry needle for weaving in ends
• Scissors
• A measuring tape
• Stitch holders or waste yarn for holding stitches

Gauge

18 stitches and 24 rows = 4 inches in stockinette stitch on US size 9 needles (worsted weight version)

14 stitches and 20 rows = 4 inches in stockinette stitch on US size 10 needles (bulky weight version)

Please swatch. I know every knitter has heard this a thousand times, and I know many of us skip it. But for a sweater that needs to fit your actual body, gauge matters enormously. A small difference in gauge across dozens of stitches adds up to several inches in the finished measurements. Knit a swatch at least 6 inches square, wash and block it the same way you will wash the finished sweater, then measure carefully. Adjust your needle size up or down until your gauge matches.

Sizes

This pattern is written for sizes XS through 3XL. Choose your size based on your actual chest measurement and the finished garment measurements below. This sweater is designed with 4–6 inches of positive ease (meaning the sweater is 4–6 inches larger than your actual chest), which gives it that relaxed, cozy feel.

Finished chest circumference:

• XS: 36 inches
• S: 40 inches
• M: 44 inches
• L: 48 inches
• XL: 52 inches
• 2XL: 56 inches
• 3XL: 60 inches

Finished length (hem to underarm): 15 (15.5, 16, 16, 16.5, 17, 17) inches

Finished sleeve length: 18 (18, 18.5, 18.5, 19, 19, 19) inches

Abbreviations

• k — knit
• p — purl
• pm — place marker
• sm — slip marker
• k2tog — knit two stitches together (right-leaning decrease)
• ssk — slip, slip, knit (left-leaning decrease)
• m1L — make one left (left-leaning increase)
• m1R — make one right (right-leaning increase)
• CO — cast on
• BO — bind off
• BOR — beginning of round
• St(s) — stitch(es)
• RS — right side
• WS — wrong side

Pattern Notes

This sweater is worked seamlessly in the round from the bottom up. The body is worked as one piece to the underarm, then the front and back are separated and worked flat. The sleeves are worked in the round from the cuff up, then set into the body using a straightforward seaming method that even newer knitters find approachable.

The neckline is a relaxed crewneck that sits just above the collarbone. If you prefer a slightly higher or lower neckline, it is easy to adjust by working more or fewer rounds before the shoulder shaping.

All stitch counts in parentheses follow the order: XS (S, M, L, XL, 2XL, 3XL).

The Pattern

Ribbed Hem

Using your longer circular needle and the long-tail cast on method, CO 162 (180, 198, 216, 234, 252, 270) sts. Join to work in the round, being careful not to twist. Place a BOR marker.

Ribbing round: K2, p2; repeat from to end of round.

Repeat this round for 2.5 inches. The 2×2 ribbing gives the hem a nice elasticity that keeps the sweater from flaring or riding up.

Body

Switch to stockinette stitch (knit every round) and work even until the body measures 15 (15.5, 16, 16, 16.5, 17, 17) inches from the cast-on edge, or your desired length to the underarm.

Optional texture detail: If you would like a subtle all-over texture rather than plain stockinette, you can work the body in a simple seed stitch or 1×1 ribbing. Both stitch patterns add visual interest and keep the fabric from curling. Seed stitch in particular looks stunning in a soft, halo yarn. To work seed stitch in the round, alternate k1, p1 on odd rounds and p1, k1 on even rounds.

Divide for Front and Back

Next round: K81 (90, 99, 108, 117, 126, 135) sts for the back, then place the remaining 81 (90, 99, 108, 117, 126, 135) sts on a holder or waste yarn for the front.

You will now work the back flat.

Back

Working back and forth in stockinette (knit on RS, purl on WS):

Armhole shaping:

Row 1 (RS): BO 4 (5, 6, 7, 8, 9, 10) sts, k to end.
Row 2 (WS): BO 4 (5, 6, 7, 8, 9, 10) sts, p to end.
Row 3 (RS): K1, ssk, k to last 3 sts, k2tog, k1.
Row 4 (WS): Purl.

Repeat Rows 3 and 4 a total of 3 (4, 5, 5, 6, 6, 7) times.

You should now have 67 (72, 77, 84, 89, 96, 101) sts remaining.

Work even in stockinette until the armhole measures 8 (8.5, 9, 9, 9.5, 9.5, 10) inches, ending with a WS row.

Shoulder shaping:

BO 7 (8, 8, 9, 10, 11, 11) sts at the beginning of the next 4 rows.
BO 6 (7, 9, 10, 9, 10, 11) sts at the beginning of the following 2 rows.

Place remaining 27 (26, 27, 28, 31, 32, 35) sts on a holder for the back neck.

Front

Return held front stitches to your needle. Rejoin yarn at the right armhole edge with the RS facing.

Work armhole shaping exactly as for the back.

You should now have 67 (72, 77, 84, 89, 96, 101) sts remaining.

Work even until the armhole measures 5.5 (6, 6.5, 6.5, 7, 7, 7.5) inches, ending with a WS row.

Neck shaping:

Next row (RS): K25 (27, 29, 32, 34, 37, 39) sts, join a second ball of yarn, BO center 17 (18, 19, 20, 21, 22, 23) sts, k to end.

Working both sides at the same time with separate yarn:

RS rows: On the left neck, k to last 3 sts, k2tog, k1. On the right neck, k1, ssk, k to end.
WS rows: Purl both sides.

Repeat these two rows 4 more times — you will have 20 (22, 24, 27, 29, 32, 34) sts on each shoulder.

Work even until the armhole matches the back armhole depth.

Shoulder shaping: BO as for the back shoulders.

Sleeves (make two)

Using your DPNs or a short circular needle, CO 36 (36, 40, 40, 44, 44, 48) sts. Join to work in the round and place a BOR marker.

Cuff ribbing: Work in 2×2 rib (k2, p2) for 2.5 inches.

Switch to stockinette stitch.

Sleeve increases:

Work 8 (7, 7, 6, 6, 5, 5) rounds even, then on the next round: k1, m1L, k to last st, m1R, k1.

Repeat this increase round every 8 (7, 7, 6, 6, 5, 5) rounds until you have 60 (64, 70, 76, 82, 88, 94) sts.

Work even until the sleeve measures 18 (18, 18.5, 18.5, 19, 19, 19) inches from the cast-on edge, or your desired length.

Sleeve cap:

BO 4 (5, 6, 7, 8, 9, 10) sts at the beginning of the next 2 rounds.

RS rows: K1, ssk, k to last 3 sts, k2tog, k1.
WS rows: Purl.

Repeat these two rows until 20 (22, 22, 24, 24, 26, 26) sts remain.

BO all remaining stitches.

Finishing

Seaming the sleeves: Using your tapestry needle and a length of matching yarn, sew the sleeve caps into the armhole openings using mattress stitch. Take your time here — good seaming makes the difference between a sweater that looks handmade and one that looks hand-crafted.

Neckband: Using your circular needle, pick up and knit stitches evenly around the neckline, picking up the held back neck stitches, the front neck bind-off, and the shaped edges on either side of the neck. The exact number of stitches will depend on your gauge, but aim for a multiple of 4 for the 2×2 rib to work out evenly. Join in the round.

Work in 2×2 rib for 1 inch, then bind off loosely in rib. A loose bind-off is essential here so the neckband has enough stretch to pass comfortably over your head.

Weave in all ends using your tapestry needle, making sure to secure any yarn joins carefully so they do not work their way loose with wearing and washing.

Blocking

Blocking transforms a hand-knit sweater. Even if the finished fabric looks a little uneven fresh off the needles, blocking evens out the stitches, opens up the fabric, and gives the sweater its final shape and drape.

Fill a basin with cool to lukewarm water and add a small amount of wool wash or gentle soap. Submerge the sweater and let it soak for 20–30 minutes. Do not agitate or wring. Gently squeeze out the excess water, then roll the sweater in a clean dry towel to absorb more moisture. Lay it flat on a blocking mat or a clean surface, shape it to your measurements, and allow it to dry completely before wearing.

If you are using a superwash wool or acrylic, follow the care instructions on your yarn label. Some yarns can be machine washed and tumble dried, which makes this sweater even more practical for everyday wear.

Customization Ideas

One of my favorite things about a simple sweater like this is how easy it is to make it your own. Here are a few ideas:

You can add a pocket by picking up stitches at the front after the sweater is finished and knitting a small square that you then seam on three sides. A kangaroo-style pocket across the front is also cozy and achievable by knitting a separate rectangle and seaming it to the front body.

Try it in a self-striping or gradient yarn for a completely different look with no extra effort. The simple stockinette stitch really lets the color do the talking.

Add a little texture to the yoke by switching to a simple lace or cable panel just above the armhole shaping. Even a single twisted cable running up each side of the front adds a charming detail without significantly increasing the difficulty.

If you prefer a turtleneck, simply work the neckband for 6–8 inches instead of 1 inch. For a funnel neck, work it for 3–4 inches. Both variations are beautiful and require no other changes to the pattern.

Final Thoughts

This So Soft Comfy Knit Sweater is the kind of project I return to again and again. It is the pattern I reach for when I want something I know I will finish, something I know I will wear, and something that reminds me why I fell in love with knitting in the first place. There is real joy in