Knee High Mosaic Crochet Sock Pattern

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Looking for a crochet sock pattern with texture and show-stopping style?

This mosaic crochet sock pattern walks you step-by-step through how to make crochet socks using an afterthought heel construction and adjustable leg length. Whether you want ankle, crew, or knee-high crochet socks, this free pattern includes detailed instructions, and links to helpful mosaic crochet tutorials.

Using the overlay mosaic crochet technique you can create these complicated looking socks with the simplest of stitches.

Person wearing colourful mosaic crochet socks.

Pattern Overview: Mosaic Crochet Socks

Pattern for: mosaic crochet socks in ankle, standard, or knee-high.

Yarn used: 4ply wool blend

Difficulty level: Intermediate – but nice and easy once you get going with it.

Stitches used: This crochet hat uses overlay mosaic crochet to create the beautiful design.


Hannah’s Notes: These mosaic crochet socks are full of fun and interest! With 3 different lengths to choose from, and 2 adult sizes, they make great gifts for family and friends!

  • One-colour-per-round mosaic crochet: easy, calming, and satisfying.
  • Seamless construction with no sewing or joining.
  • Fun, mosaic pattern with endless colour possibilities.
  • 3 different lengths for easy personalisation.

Yarn

West Yorkshire Spinners Signature 4ply yarn (75% wool, 25% nylon, 100g/400m) in the colors Hydrangea (335), Bluebell Mist (1022), Honeysuckle (234).

These are my colors A, B, and C respectively and I needed 1 ball of each.

It’s a category 1, fingering weight yarn which is what gives the socks their fine detail. Find out more about yarn weights and categories with our handy yarn weight chart.

Alternatively, here are some other yarns that would also work really well to crochet these socks:

How Do you Make a Crochet Sock?

These crochet socks are worked starting from the toe and there are different mosaic sections throughout. The socks are made in continuous rounds so you won’t be joining at the end of every round which helps avoid a nasty looking seam.

Crochet socks are typically worked in five sections:

  1. Toe – Shaped to fit the foot comfortably.
  2. Foot – Worked to the length of your foot measurement.
  3. Heel – This pattern uses an afterthought heel, added after the leg is complete for easier fit adjustment.
  4. Leg – Can be worked to ankle, crew, or knee length.
  5. Cuff – Finished to help the sock stay in place.

I know it looks like there’s a lot happening in these socks but you’ll only be using basic stitches to accomplish their construction and you only ever use one color per round!

Sizing

The socks measure 20 (21.5) cm/ 7.75 (8.5″) in circumference around the foot and fit UK shoe size 3-5 (6-8). They are in ankle (2.75″), standard (5.75″) and knee length (12.5″).

Mosaic crochet sock pattern in ankle length.

Other Materials

Along with your yarn, you will need the following:

Glossary and Abbreviations

beg – beginning

blo – back loop only crochet

BP – back post

ch(s) – chain(s) (crochet chain stitch for beginners)

flo – front loop only

FP – front post

sp – space

rep – repeat

RS – right side

sk – skip

ss – slip stitch (how to do a slip stitch in crochet)

WS – wrong side

yoh – yarn over hook

Did someone say you’d like a mosaic crochet mittens pattern?! Using the same technique, these fun mitts are in sizes toddler to adult and make great gifts!

If you’ve not tried this technique before, check out this overlay mosaic crochet tutorial.

Stitches

The socks use the following crochet stitches:

sc – single crochet (how to do a single crochet)

hdc – half double crochet (half double crochet stitch for beginners)

dc – double crochet (how to make a double crochet)

Special Stitches

SINGLE CROCHET (sc)  always worked in back loop only (blo).

Insert hook from front to back through stitch to be worked. Yarn over and pull through stitch. Yarn over and pull through both loops on the hook.

MOSAIC DOUBLE CROCHET (Mdc)

Yarn over and insert hook into front loop of stitch two rounds below. Yarn over and pull through the stitch. Yarn over and pull through two loops on the hook.* Yarn over and pull through remaining two loops on the hook.

The stitch behind the Mdc on the current round is left unworked.

Pattern Gauge

To crochet these socks, 24 sts and 28 rounds measure 10 x 10cm (4x4in) in the mosaic pattern using a 3mm hook, or the size needed to obtain correct tension.

Making a crochet gauge swatch is particularly important when crocheting projects (and even more so for garments) to ensure that it ends up the desired size.

Before you jump into crocheting your knee high socks, take a moment to read through the pattern notes—it’s a game-changer!

These handy insights will not only simplify your pattern-reading journey but also ensure a smoother crochet experience. You’ll find helpful tips on deciphering the sizing, customisation and more.

Trust me, a quick peek at these notes will set you up for crochet success!

  • The crochet sock pattern are worked from the Toe up. The Toe is worked in a continuous spiral without closing off each round with a slip st.
  • You may find it useful to mark the first st of the round, moving it up as you go.
  • The Foot and Leg section are worked using the overlay mosaic technique. All rounds are worked in one colour.
  • Where a second colour appears in a round, this is worked in the next round by making a US double crochet into the unused flo 2 rounds below (Mdc – mosaic double crochet).
  • A space is worked for Heel to be worked into at the end.
  • The socks are written with the smallest size first and the largest size in brackets.

If you like this mosaic pattern, you might also like the Happy Hearts collection:

Free Knee High Mosaic Crochet Sock Pattern

There are a few options for you to access and enjoy this crochet pattern:

  1. View the free pattern on the blog – all blog subscribers will be able to view the written pattern supported by ads by logging into their Grow account.
  2. Purchase the individual pattern on Etsy or Ravelry as a beautifully formatted PDF with extra stitch charts, schematic and colour information page and more!
PDF crochet sock pattern advertisement featuring images of printed pages, a phone and tablet displaying crochet socks, plus icons for instant download, color inspiration, charts, and easy readability.

Pattern Support

I am delighted to invite you to join the HanJan Crochet Community Facebook Group where we host all pattern support queries and love to see your progress, yarn choices and finished projects! 

Crochet Pattern Free for Blog Subscribers to View

US Terminology

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TOE

Using A, ch10.

Round 1: (RS): Sc in second ch from hook and next 7 ch, 2sc in final ch, rotate to work in opposite side of foundation ch, sc in next 8 ch. [18sts]

Round 2: 2sc in first st, sc in next 7 sts, 2sc in next 2 sts, sc in next 7 sts, 2sc in final st. [22sts]

Round 3: (Sc in next st, 2sc in next st, sc in next 7 sts, 2sc in next st, sc in next st) twice. [26sts]

Round 4: (Sc in next st, 2sc in next st, sc in next 9 sts, 2sc in next st, sc in next st) twice. [30sts]

Round 5: (Sc in next st, 2sc in next st, sc in next 11 sts, 2sc in next st, sc in next st) twice. [34sts]

Round 6: (Sc in next st, 2sc in next st, sc in next 13 sts, 2sc in next st, sc in next st) twice. [38sts]

Round 7: (Sc in next st, 2sc in next st, sc in next 15 sts, 2sc in next st, sc in next st) twice. [42sts]

Round 8-16: Sc in each st around.

Round 17: (Sc in next st, 2sc in next st, sc in next 17 sts, 2sc in next st, sc in next st) twice [46 sts]

Round 18: Sc in each st around.

SIZE 6-8 ONLY

Round 19: (Sc in next st, 2sc in next st, sc in next 19 sts, 2sc in next st, sc in next st) twice. [-(50)sts]

Round 20: Sc in each st around

ALL SIZES

Next round: (2sc in first st, sc in next 22 (24) sts) twice [48(52) sts]

Ss in next st and fasten off.

FOOT

This section is worked in the overlay mosaic technique.

Work all sc into the blo throughout.

Work all Mdc as dc into flo of st 2 rounds below.

With RS facing, join B in first st.

Rounds 1-5: (RS): Ch1 (does not count as st throughout), sc in each st around, ss to beg sc. [48 (52) sts] Change to A.

Round 6: Ch1 *sc in next 2 sts, Mdc in next st, sc in next st; rep from * 11 (12) times, ss to beg sc. Change to B.

Round 7: Ch1, (sc in next st, Mdc in next st) 24 (26) times, ss to beg sc. Change to A.

Round 8: Rep Round 6. Change to B.

Rounds 9-13: Ch1, sc in each st around, ss to beg sc. Change to C.

Round 14: Ch1, (Mdc in next st, sc in next 3 sts 12 (13) times, ss to beg sc. Change to B.

Round 15: Rep Round 7. Change to C.

Round 16: Rep Round 14. Change to B.

Rounds 17-24: Rep Rounds 1-8.

Round 25: Ch1, sc in each st around, ss to beg sc.

Rep Round 25 until Toe and Foot measure 21 (23)cm – or to desired length.

Next Round: Ch1, sc in next 24 (26)sts, ch24 (26) loosely, ss to beg sc. [24 (26) sts, 1 heel sp]

LEG

The leg continues in the overlay mosaic technique. Work all sc into the blo throughout.

Work all Mdc as dc into flo of st 2 rounds below.

Continue with B.

Round 1: (RS): Ch1, sc in each st around and each ch across, ss to beg sc. [48 (52) sts]

Round 2-8: Sc in each st around. Change to C.

SIZE 3-5 ONLY

Round 9: Ch1, sc in each st around, ss to beg sc.

SIZE 6-8 ONLY

Round 9: Ch1, (2sc in next st, sc in next 25sts) twice. [-(54)sts)

ALL SIZES

Change to B.

Round 10: Ch1, (sc in next 5 sts, Mdc in next st) 8(9) times, ss to beg sc. Change to C.

Round 11: Ch1, (sc in next 3 sts, Mdc in next 2 sts, sc in next st) 8(9) times, ss to beg sc. Change to B.

Round 12: Ch1, *Mdc in next st, sc in next st, Mdc in next st, sc in next 2 sts, Mdc in next st, rep from * around, ss to beg sc. Change to C.

Round 13: (Sc in next 3 sts, Mdc in next st, sc in next 2 sts) 8 (9) times, ss to beg sc. Change to B.

Round 14: (Sc in next st, Mdc in next 2 sts, sc in next 3 sts) 8 (9) times, ss to beg sc. Change to C.

Rounds 15: Rep Round 11. Change to B.

Round 16: Rep Round 12. Change to C.

Round 17: (Sc in next 4 sts, Mdc in next st, sc in next st) 8 (9) times, ss to beg sc. Change to B.

Round 18: (Mdc in next st, sc in next 5 sts) 8 (9) times, ss to beg sc. Change to C.

Round 19-20: Ch1, sc in each st around, ss to beg sc.

Stop here for ankle socks and move on to work the cuff if desired. Then work Heel.

Knee high crochet socks with a gray background and a pink pillow nearby.

Change to B.

Round 21-24: Ch1, sc in each st around, ss to beg sc. Change to A.

Round 25: Ch1, sc in each st around, ss to beg sc.

Round 26-40: Rep Rounds 10-24, substituting A for C.

Change to B at end of Round 40.

Round 41: Ch1, sc in each st around, ss to beg sc.

Round 42-56: Rep Rounds 10-24.

SIZE 6-8 ONLY

Cont with B.

Round 57: Ch1, (2sc in next st, sc in next 26 sts)twice, ss to beg sc. [-(56)sts]

Stop here for standard socks and move on to work the cuff if desired. Then work Heel.

CALF INCREASE

The stitch count is increased over the next section to accommodate the calf. Work all sc in blo throughout this section.

Cont with B.

Round 1: Ch1, (sc in next 11 (13) sts, 2sc in next st) 4 times, ss to beg sc. [52(60)sts]

Round 2: Ch1, sc in each st around, ss to beg sc.

Round 3: Ch1, (sc in next 12 (14) sts, 2sc in next st) 4 times, ss to beg sc. [56(64)sts]

Round 4: Rep Round 2. Change to A.

Rounds 5-6: Rep Round 2.

Round 7: Ch1, (sc in next 13 (15) sts, 2sc in next st) 4 times, ss to beg sc. [60(68)sts] Change to B.

Rounds 8-9: Rep Round 2.

Round 10: Ch1, (sc in next 14 (16) sts, 2sc in next st) 4 times, ss to beg sc. [64(72)sts]

If you want to make more crochet projects using the mosaic technique, I’ve got a few suggestions for you (and you can search my blog for more patterns too):

TOP MOSAIC SECTION

The top section continues in the overlay mosaic technique. Work all sc into the blo throughout.

Work all Mdc as dc into flo of st 2 rounds below.

Change to C.

Round 1: Ch1, sc in each st around, ss to beg sc. Change to B.

Round 2: Ch1, (sc in next 2 sts, Mdc in next st, sc in next 5 sts) 8 (9) times, ss to beg sc. Change to C.

Round 3: Ch1, (Mdc in next 2 sts, sc in next 2 sts, Mdc in next 4 sts) 8 (9) times, ss to beg sc. Change to B.

Round 4: Ch1, (sc in next 2 sts, Mdc in next 2 sts, sc in next 4 sts) 8 (9) times, ss to beg sc.

Change to C.

Round 5: Ch1, (Mdc in next 2 sts, sc in next 3 sts, Mdc in next 3 sts) 8 (9) times, ss to beg sc. Change to B.

Round 6: Ch1, (sc in next 3 sts, Mdc in next 2 sts, sc in next 3 sts) 8 (9) times, ss to beg sc.

Change to C.

Round 7: Ch1, (Mdc in next 3 sts, sc in next 3 sts, Mdc in next 2 sts) 8 (9) times, ss to beg sc. Change to B.

Round 8: Ch1, (sc in next 3 sts, Mdc in next 3 sts, sc in next 2 sts) 8 (9) times, ss to beg sc.

Change to C.

Rounds 9-10: Rep Rounds 7-8.

Round 11: Ch1 (Mdc in next 2 sts, sc in next 4 sts, Mdc in next 2 sts) 8 (9) times, ss to beg sc. Change to B.

Round 12: Ch1, (sc in next 2 sts, Mdc in next 3 sts, sc in next 3 sts) 8 (9) times, ss to beg sc.

Change to C.

Round 13: Ch1 (Mdc in next st, sc in next 4 sts, Mdc in next 3 sts) 8 (9) times, ss to beg sc. Change to B.

Round 14: Ch1, (sc in next st, Mdc in next 2 sts, sc in next 5 sts) 8 (9) times, ss to beg sc.

Change to C.

Round 15: Ch1 (Mdc in next st, sc in next 2 sts, Mdc in next 5 sts) 8 (9) times, ss to beg sc. Change to B.

Round 16: Ch1, (sc in next 2 sts, Mdc in next st, sc in next 5 sts) 8 (9) times, ss to beg sc.

Change to C.

Round 17: Ch1 (Mdc in next 2 sts, sc in next st, Mdc in next 5 sts) 8 (9) times, ss to beg sc.

Change to B.

Round 18: Ch1, sc in each st around, ss to beg sc.

Round 19: Ch1, *sc in next 15 (17) sts, 2sc in next st; rep from * 3 times more, ss to beg sc.

CUFF

With RS facing, join A in any st.

Round 1: (RS): Ch1, (FPdc around next st, BPdc around next st) rep around, ss to beg dc. Change to B.

Rounds 2-14: Rep Round 1, alternating between A and B each round.

Fasten off.

HEEL

With RS facing, join A in first skipped st from Foot.

Round 1: Ch1, sc in each unworked st across, sc in each ch across Heel space, ss to beg sc. [48(52) sts]

Round 2: Ch1, sc in each st around, ss to beg sc.

Round 3: Ch1, (sc2tog) first 2 sts, sc in next 20(22) sts, pm in last st, (sc2tog) twice, sc in next 20(22) sts, (sc2tog) final 2 sts, ss to beg sc. [44(48) sts] Move the marker up as you work.

Round 4: Ch1, sc in each st around, ss to beg sc.

Round 5: Ch1, (sc2tog) first 2 sts, sc in each st to marker, move marker to last st, (sc2tog) twice, sc in each st to final 2 sts, sc2tog, ss to beg sc. [40(44) sts]

Rounds 6-11: Rep Rounds 4-5 another 3 times. [28(32)sts]

Rounds 12-13: Rep Round 5. [20(24)sts]

Round 14: Ch1, (sc2tog) around, ss in to beg sc. [10(12) sts]

Round 15: Rep Round 14. [5(6) sts]

Fasten off.

Weave tail through sts of final round and pull tight to close.

Weave in all ends to finish.

FAQs

Are crochet socks comfortable?

 Yes — when made with the right yarn and proper fit adjustments, crochet socks are warm, breathable, and durable.

What yarn is best for crochet socks?

 Sock yarn with nylon content is ideal for stretch and durability. Wool blends provide warmth and resilience.

Is it hard to make crochet socks?

Crochet socks may look complex, but once you understand the construction (toe, foot, heel, leg, cuff), they are very manageable. This pattern includes step-by-step guidance.

What is an afterthought heel in crochet?

 An afterthought heel is added after the sock body is complete, making it easier to adjust fit and length.

Can I make these socks knee-high?

 Yes. There are options for ankle, standard and knee-high lengths, as well as being fully adjustable.

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If you enjoy crochet sock patterns and patterns for children’s feet too, here are a few more you might want to make:

Congratulations on crocheting your very own crochet mosaic socks! 🌟 Now that you’ve crafted this fun project, why stop here? Dive into my other mosaic crochet projects, each waiting to be transformed into your next crochet masterpiece.

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