**~ £15.95 GBP / $20 USD / €18 EUR / ¥3,150 JPY**

Price converts automatically at checkout.

(If you order if you order straight leg or baggy you will still receive both styles. If you've accidentally ordered the wrong tiled format (a4, us letter)... it will also send you the other version :)

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The Keystone Denims are Roughcut’s most in-depth sewing pattern to date — a modular selvedge jean system designed to teach how a pair of jeans is actually constructed, while giving the maker complete freedom to design their own version.

Rather than locking you into a single look, Keystone functions as a foundation pattern — a base garment you can build, adapt, and personalise through interchangeable components, heritage construction methods, and intentional documentation.

A Foundation for Understanding Denim

At its core, Keystone is a wide, straight-leg jean with a deep rise and clean, architectural proportions — designed specifically for selvedge denim and traditional jean construction.

The pattern focuses on how and why jeans are built the way they are:

flat-felled seams, durable topstitching, structured waistbands, functional pocket systems, and hardware-led reinforcement.

This is not about copying an existing pair of jeans — it’s about learning the logic behind them.

A Fully Modular System

Every major element of the Keystone Denims is modular, allowing you to mix and match based on skill level, design intent, or experimentation:

• Two front pocket options (classic or button-closure)

• Three interchangeable back pocket designs

• Button fly or zip fly construction

• Optional one-piece zip fly (advanced technique & pushes skill level 5)

• Two buckle configurations

• Two double-knee styles (classic or Roughcut curved)

• Optional heel-drag reinforcement

• Optional hammer loop and utility details

• Waistband curve features

Each decision changes the final garment — meaning no two pairs need to look the same.

Designed Before You Sew

Keystone goes beyond pattern pieces.

Before cutting fabric, you’re guided through planning and visualisation — including:

• A 2D front & back visualisation page for sketching your design

• A back-pocket stitch template page for drawing custom stitch lines

(sew directly through the paper and tear it away for clean results)

These pages encourage experimentation, storytelling, and intentional design — not just assembly.

The Denim Passport System

Every Keystone build ends with documentation.

The pattern includes a two-part Denim Passport system:

• A branded Denim Passport card, stapled into the back pocket

• A Maker’s Notes insert for reflecting on materials, techniques, and decisions

Together, they record:

• Fabric choice & weight

• Hardware used

• Construction options selected

• Build date & notes

Turning each pair into a documented artifact, not just a finished garment.

Skill Level & Learning Support

Keystone Denims is rated Skill Level 4 and is ideal for confident makers ready to deepen their understanding of garment construction.

To support the build, the pattern includes:

• Clear cutting, sticking, and construction guides

• A written construction roadmap

• A completely free, full start-to-finish video tutorial, walking through the entire process

You’re never left guessing — but you’re always encouraged to explore.

📹 Tutorial Resources

PASTE LINK

A full video walkthrough is included for free, covering:

• Front & back pocket construction

• Button and zip fly options

• Flat-felled seam techniques

• Buckle installation

• Waistband construction

• Finishing and documentation

Perfect for visual learners tackling their first serious denim build.

Available Formats (Select at Checkout)

📄 A4 PDF Download

Print-at-home tiled A4 sheets (labelled & ready to assemble)

📄 US Letter PDF Download

Print-at-home tiled US Letter sheets (labelled & ready to assemble)

📄 A0 PDF Download

Large-format A0 file for copyshop or projector — zero taping

📦 A0 Printed Pattern (Shipped)

Professionally printed on A0 sheets

Flat price: £39.95

(The higher price reflects the additional printing, paper, and shipping costs associated with large-format production & this pattern is 4 pages of A0. This option help you, not tile that amount of paper)

(If you accidentally order the wrong page format, don’t worry — you can find my contact number on the “Need Help?” page and I’ll get it sorted for you.)

🧵 Included in Every Format

✅ Full-size, true-to-scale pattern pieces

✅ Seam allowances, grainlines & notches included

✅ Clear piece labelling

✅ Modular pocket & construction options

✅ Materials & hardware guide

✅ Measurement & sizing charts

✅ Planning, visualisation & stitch template pages

✅ Denim Passport & Maker’s Notes

✅ FREE lifetime updates

✅ Immediate digital access

Recommended Fabrics

Designed for selvedge denim, but adaptable to wide-width fabrics.

• Selvedge denim (13–16 oz recommended)

• Heavyweight non-selvedge denim

• Japanese or European shuttle-loom denim

For easier builds or domestic machines, lighter weights (11–13 oz) are suitable.

Design Features

• Wide straight-leg silhouette with deep rise

• Selvedge-friendly outseam construction

• Modular front & back pocket systems

• Button fly and zip fly options

• Optional one-piece fly technique

• Flat-felled seams throughout

• Heavy topstitch detailing

• Double-knee reinforcement options

• Buckle & utility hardware integration

• Denim Passport documentation system

• Skill Level: 4