Free Crochet Plus-size Lace Thigh High Sock Pattern

Ever tried shopping for store-bought thigh-high socks only to find they roll down, pinch your thighs, or refuse to stretch past your knees?

Say goodbye to ill-fitting accessories and hello to custom-crafted comfort.

These stunning lace thigh-high stockings offer a gorgeous mesh texture, complete customizable sizing for all body types, and a built-in drawstring to keep them comfortably in place all day long.

Grab your favorite hook, because we are making luxury footwear tailored specifically to your gorgeous curves.

Materials and Preparation

Materials:

• Yarn: 1 skein of Medium Weight (Category 4 / Worsted) Acrylic Yarn (7 oz / 198g, approx. 364 yards). Featured sample uses Red Heart Super Saver in Teal.
• Drawstring Yarn: Matching or contrasting worsted weight yarn for the top tie string.

Tools:

• Crochet Hook: Size H-8 (5.0 mm) or I-9 (5.5 mm) depending on your tension.
• Yarn Needle: Tapestry needle for closing the heel seam and weaving in ends.
• Stitch Marker: Essential for marking row counts and heel placement.
• Scissors: Sharp craft scissors.

Preparation Notes:

• Measure your foot length, calf circumference, and upper thigh before starting so you can easily adjust the row counts for your perfect custom fit.
• Keep your tension smooth and relaxed when working the leg lattice so the mesh opens up comfortably without digging into your skin.

Abbreviations and Notes

Abbreviations:

• MR: Magic Ring
• ch: Chain
• sc: Single Crochet
• hdc: Half Double Crochet
• tr: Treble (Triple) Crochet
• sl st: Slip Stitch
• V-stitch / V: 2 Treble Crochet stitches worked into the same stitch or space
• sk: Skip

Pattern Notes:

• Toe and Foot: Worked in continuous rounds and joined with a slip stitch using half double crochet (hdc).
• Heel: Worked flat in short rows, then folded and seamed closed using slip stitches on the inside of the sock.
• Leg Lattice: Worked in joined rounds featuring tall treble crochet (tr) pairs separated by skipped stitches to form an open, stretchy lace grid.
• Custom Fit Adjustments: The pattern can be easily adapted for different shoe sizes, leg lengths, or thigh width increases.

Gauge, Approximate Size, and Pattern Notes

Gauge:

• Toe/Foot Section: 14 hdc x 10 rows = 4 inches (10 cm).
• Leg Lattice Section: 3 V-stitch sets x 2 rows = 4 inches (10 cm).

Finished Size:

• Foot Length: Customizable (Sample fits US Women’s shoe size 6 to 8 / 9.0 to 9.5 inches (23 to 24 cm)).
• Leg Height: Thigh-high, approximately 24 to 28 inches (61 to 71 cm) total length from heel to top cuff.
• Thigh Width: Plus size friendly, easily stretches to fit thigh circumferences up to 24 to 30 inches (61 to 76 cm).

Special Techniques:

• Inside Slip Stitch Seaming: Folding the heel inside-out and sl st across ensures the seam remains invisible on the outer side.
• Space-Worked Treble V-Stitches: Working 2 tr directly into the open spaces between previous V-stitches allows the fabric to stretch dynamically around calves and thighs.

Step-by-Step Pattern

Part 1: Toe and Foot Box

Worked in rounds using half double crochet:

• R1: MR, 12 hdc into ring. Join with sl st to first hdc (12)
• R2: Ch 1, 2 hdc in each stitch around. Join with sl st (24)
• R3–R16: Ch 1, 1 hdc in each stitch around. Join with sl st (24) (Note: Adjust the number of rounds in this foot box section based on your shoe size before starting the heel).

Part 2: Heel and Ankle Transition

Heel (Worked Flat):

• R17: 1 hdc in first 16 stitches only. Leave remaining 8 stitches unworked (16)
• R18–R23: Ch 1, turn, 1 hdc in each stitch across (16)
• Heel Seaming: Turn sock inside out, fold the heel edge in half, and sl st through both layers to join and form the heel cup. Fasten off or weave in loop.

Ankle (Worked in Rounds):

• R24: Reattach yarn at the heel edge. Evenly space 27 hdc stitches all the way around the ankle opening. Join with sl st (27)
• R25–R26: Ch 1, 1 hdc in each stitch around. Join with sl st (27)

Part 3: Lace Leg & Thigh Expansion

Main Leg Lattice:

• R27: Ch 4 (counts as first tr), sk 2 stitches, 2 tr in next stitch. *Sk 2 stitches, 2 tr in next stitch; repeat from * around. Join with sl st to top of ch 4 (9 sets of V-stitches / 18 tr total)
• R28–R38: Sl st into the first open space between V-stitches. Ch 4, 1 tr into same space (first V-stitch created). Work 2 tr into each open space between V-stitches around. Join with sl st (9 V-stitches)

Thigh Expansion (Increase Rounds for Curvy Thighs):

• R39: Work 2 tr in the space BEFORE the first V-stitch (Increase V-stitch), then work 2 tr in each remaining open space around. Join with sl st (10 V-stitches)
• R40–R42: Repeat increase round pattern by adding an extra 2 tr in the first space to expand width gradually up to desired circumference (13 V-stitches total)
• R43–R46: Work 2 tr in each open space around without increasing. Join with sl st (13 V-stitches)

Part 4: Edging, Assembly & Finishing

Top Cuff Border:

• R1: Ch 1, *2 hdc in open space, 1 hdc into the center of V-stitch; repeat from * around. Join with sl st
• R2–R3: Ch 1, 1 hdc in each stitch around. Join with sl st. Fasten off and weave in all yarn tails.

Optional Thigh Drawstring Tie:

• Chain Tie: Ch 140 (or desired length to wrap comfortably around upper thigh). Fasten off.
• Assembly: Weave the finished chain tie through the top hdc cuff row, tying a neat bow at the outer leg to prevent slipping.

Detailed Pattern Breakdown

1. Toe and Foot Box Mechanics:

• Toe Cap Foundation (R1-R2): Starting with a standard MR of 12 hdc, doubling every stitch on R2 brings the count up to 24 hdc. This creates a rounded toe box that fits snugly without cramping your toes.
• Foot Length Extension (R3-R16): Maintaining 24 hdc without increases creates a smooth, straight cylinder. The 14-row count fits an average foot, but you can add or subtract rounds here for custom foot lengths.

2. Heel Short-Row Shaping and Ankle Prep:

• Heel Flap (R17-R23): Working only across 16 of the 24 stitches isolates the heel area. The flat short rows build up vertical depth to cup your heel comfortably.
• Seam Inversion & Ankle Pick-Up (R24-R26): Seaming the heel flap while the sock is inside out hides the joining seam on the interior. Picking up 27 hdc around the raw edges creates the target stitch foundation required for the lace pattern setup.

3. Open Lace Grid and Custom Curve Expansion:

• Lace Grid Setup (R27-R38): Skipping 2 stitches between pairs of 2 tr creates open columns of lattice mesh. This structural pattern provides horizontal and vertical stretch while minimizing overall yarn consumption.
• Thigh Increase Strategy (R39-R46): Placing 2 tr into the open gap before a V-stitch adds a brand-new V-stitch to the round. Repeating this increase across consecutive rows widens the tube dynamically, ensuring full coverage and total comfort over fuller calves and thighs.

Pattern Questions

Question 1: How can I make sure these thigh-high socks don’t slide down my legs when walking?

Answer: The lace lattice texture provides natural elasticity, but adding the optional chain drawstring tie at the top cuff is the absolute best way to lock them in place. Weaving the 140-chain tie through the top row of half double crochets lets you adjust the snugness around your upper thigh without restricting movement.

Question 2: Can I adjust this pattern for different shoe sizes or leg lengths?

Answer: Absolutely. To adjust for shoe size, simply work more or fewer straight hdc rounds on the foot section before starting the heel flap. For leg length, add or remove repeating 2 tr V-stitch rounds on the main leg before starting the thigh increase rounds.

Question 3: What type of yarn works best for this project?

Answer: A soft, durable worsted weight acrylic yarn like Red Heart Super Saver offers high stretch resilience, excellent stitch definition, and easy machine-washable care. If you prefer natural fibers, choose a wool or cotton blend with a bit of nylon or elastane added to help the lace retain its shape over repeated wear.