Sew your own everyday essential with the Wide Side Comfort Thong Sewing Pattern. This beginner-friendly underwear pattern features wide side straps that sit smoothly on the hips for a secure, comfortable fit without digging in. The thong back creates a sleek, no-show finish—perfect for daily wear, lounging, or layering under fitted outfits.
Designed for stretch fabrics, this pattern is easy to sew on a home sewing machine using basic stretch stitches. No special attachments are required, though a serger can be used if preferred.
✨ Why you’ll love it:
Wide side straps for comfort
Clean thong back for minimal coverage
Beginner-friendly construction
Great for cotton spandex, jersey, or rib knit
Custom fit with color-coded sizing layers
🧵 What You Will Need
(¼” serger seam allowance included throughout)
- Stretch fabric – approx. ⅔ yard, stretching into the bolt
- Optional 2-way stretch raschel for straps (about ⅛ yard)
- Lining fabric with matching stretch (same fabric may be used)
- Matching thread
- Serger or home sewing machine with zig-zag or stretch stitch
💡 Elastic is not required for this design, but an elastic or binding attachment can be used for speed if desired.
Assembly
(Shortened version – full instructions included in PDF)
-
Assemble Front
Fold the top piece and sew it to the front center and lining layers.
-
Prepare Side Straps
Cut or use pattern-included strap pieces. Each strap is 2½” wide and stretches along the length.
-
Attach Straps to Front
Stay-stitch folded straps to the front triangle sides, wrong sides facing out. Leave extra length unsewn at the ends.
-
Close Strap Ends
Fold remaining strap sections, sew closed, and turn right side out.
-
Form Leg Openings
Straight stitch strap ends together on each side to create leg holes. Leave at least ¼” seam allowance.
-
Finish Strap Ends
Fold seam allowances inward and topstitch to hide raw edges.
-
Secure Leg Openings
Sew around leg openings using a stretch stitch to fully enclose seams.
-
Finish Back Seam
Overlap back pieces and sew center back seam.
Standard back length is 3½”, adjust longer for larger sizes if desired.
🎥 Follow-Along Video Tutorial:
https://youtu.be/vnool0hSkQI
📐 Pattern Details
✨ Includes:
- Sizes XS–L
- One coverage option: low rise, thong back
- Printable PDF format
- US Letter (8.5″ × 11″)
- Test square: 2″ × 2″ (US) / 5.08 cm (Metric)
- Color-coded layers for custom sizing
💻 Digital Download
This is a digital PDF sewing pattern available for instant download after purchase.
Due to the nature of digital products, returns, exchanges, and refunds are not permitted.
Explore more beginner-friendly underwear patterns here:
👉 Bottoms → Thongs Sewing Patterns