Thread Theory Quadra Jeans - US 26-50 - PDF Pattern
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This is a digital PDF pattern. You will receive a downloadable file of this pattern, not a physical product.
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Description
The Quadra Jeans sewing pattern provides a subtly modern take on the classic straight leg jean. This pair of jeans features a slight taper to the leg and extra room in the thigh to allow for lots of movement. They sit below the waist as a moderate low rise. Sew these jeans in denim with no stretch or up to 2% elastane to add just that little bit of additional flexibility that so perfectly suits an active lifestyle.
This jeans pattern features all of the traditional details required when sewing denim - add lots of strengthening topstitching, learn to sew flatfell inseams, construct a zipper fly, and apply rivets to high stress areas. As an added bonus, the waistband is drafted in two pieces with a center back seam hidden under the belt loop. This construction style allows for very easy fit modifications, even once the jeans are fully constructed. This is a perfect solution for the home sewist who might like to sew these as a surprise gift or for the wearer with a fluctuating waistline.
This pattern, as part of the Parkland Casual Collection, is a classic garment that lends itself to creating the perfect casual, hand-made wardrobe for an active lifestyle.
Size chart and fabric requirements

What's included in my PDF pattern?
PDF Sewing Pattern Includes:
- A detailed instruction booklet containing step-by-step instructions and diagrams
- A layered print-at-home PDF pattern on 28 pages (sizes 26-38) or 34 pages (sizes 40-50) (suitable for both Letter and A4 size paper). Print only the size you need!
- A projector compatible file with an easy-to-use 1" grid and layers
- A print shop PDF pattern suitable for 36" wide roll feed printers
- A print shop PDF pattern suitable for A0 paper
- Pocket topstitching templates on 6 print-at-home pages
Browse the sew-along
Sew the Quadra Jeans with us! Let our fully photographed and detailed sew-along walk you through the process.
Translations available
Would you prefer to sew one of our patterns in another language? We have a number of translated instruction booklets available to download from Dropbox.










