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Barnfield
Technical Specification
The Stirling
Trucker Jacket
Made in England · AW2027
Style Ref BC-STR-001
Season AW 2027
Revision Rev 001 — Draft
Date 11.08.2026
The Stirling — Cover
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
Contents
AW2027
Contents
This document contains the complete technical specification for The Stirling. All construction details, materials, measurements and quality standards are contained herein.
Rev 001 — Draft · 11.08.2026
This is a draft document. Fields marked — are pending completion with the pattern cutter and factory prior to sampling.
  1. 01 Technical Drawing Overview
  2. 02 Six-View Render
  3. 03 Bill of Materials
  4. 04 Technical Drawing Overview
  5. 05 Points of Measure — Front
  6. 06 Points of Measure — Back
  7. 07 Points of Measure — Inside
  8. 08 Construction Notes
  9. 09 Detail Pages — Pending
  10. 10 Quality Standards & Revision History
© This design is exclusive and protected by copyrightContents · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
01 — Technical Drawing Overview
Section 01
Technical Drawing Overview
Stirling Technical Drawing — Front & Back
© This design is exclusive and protected by copyright01 — Technical Drawing · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
02 — Six-View Render
Section 02
Six-View Render
Stirling Six-View Render
© This design is exclusive and protected by copyright02 — Six-View Render · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
03 — Bill of Materials
Section 03
Bill of Materials
# Component Description Placement Colour / Finish Supplier Ref
01Shell Fabric100% Lambswool, 520gsmShellTBCPennine Fabrics · PF M1
02LiningHeavy Twill weave, SilkTBCTBCBennett Silks · 1907
03Main Buttons12mm, Antique Brass, Cobrax ZeroCF placketAntique BrassCobrax Zero
04Secondary Buttons12mm, Antique Brass, Cobrax Zero — as Main ButtonsCuffsAntique BrassCobrax Zero
05InterliningTBCTBCTBC—
06Topstitch ThreadSelf-colour — throughoutAll visible seamsTBC—
07LabelsBrand, care, sizeCB neck seamBarnfield standard—
© This design is exclusive and protected by copyright03 — Bill of Materials · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
04 — Technical Drawing Overview
Section 04
Technical Drawing Overview
Stirling Technical Drawing — Front & Back
© This design is exclusive and protected by copyright04 — Technical Drawing · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
05 — Points of Measure (Front)
Section 05
Points of Measure
Front
Stirling Front POM Drawing
Sample size S. All measurements in centimetres, flat. Tolerance ±1cm unless stated (default — not itemised in source measurement sheet).
RefMeasurementMTol
AAcross front - at 14cm from FSNP39±1cm
BChest width - at 2.5cm below armhole54.5±1cm
CWaist width - at 45cm from CB neck50±1cm
EFront length - SNP front shoulder seam69±1cm
FCB collar stand depth2.5±0.5cm
HCollar leaf edge48.5±1cm
ICollar point length6.3±0.5cm
KCF length (inc band)61.5±1cm
LWaistband depth5.5±0.5cm
OBicep width - at armhole 90° angle to outside sleeve20±1cm
PElbow width - at 20cm down from underarm17±1cm
QCuff width top edge - closed13.5±1cm
RCuff width at hem edge12.5±1cm
RefMeasurementMTol
TSleeve length - sleeve head to cuff (inc cuff)67±1cm
USleeve length - front underarm seam (inc cuff)48±1cm
YFront top pocket flap from FSNP17.5±1cm
ZFront top pocket flap width15±1cm
AAFront top pocket flap depth6±0.5cm
ABTop pocket width14±1cm
ACTop pocket depth15±1cm
ADFront side pocket opening length18±1cm
AEFront side pocket stitch depth2±0.5cm
AHTop button from neck edge2.5±0.5cm
AIButton spacing14±1cm
© This design is exclusive and protected by copyright05 — POM Front · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
06 — Points of Measure (Back)
Section 06
Points of Measure
Back
Stirling Back POM Drawing
Sample size S. All measurements taken on the flat, in centimetres. Seam allowances not included in POM. Tolerance ±1cm unless stated (default — not itemised in source measurement sheet).
RefMeasurementMTol
DHem width50.5±1cm
GCollar depth at CB (not inc band)7.3±0.5cm
JCB length - CB neck to hem (inc band)68±1cm
MShoulder seam14.5±0.5cm
NArmhole on curve total55±1cm
SCuff depth6±0.5cm
VBack neck on curve - shoulder seam to seam23±0.5cm
WAcross shoulder - straight48±1cm
XAcross back - 13cm down centre back neck46±1cm
© This design is exclusive and protected by copyright06 — POM Back · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
07 — Points of Measure (Inside)
Section 07
Points of Measure
Inside
Stirling Inside POM Drawing
Sample size S. All measurements in centimetres, flat. Tolerance ±1cm unless stated (default — not itemised in source measurement sheet).
RefMeasurementMTol
AFInner chest pocket length15±1cm
AGInner chest pocket width1±0.5cm
AJDistance between points on profile stitching7±0.5cm
© This design is exclusive and protected by copyright07 — POM Inside · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
08 — Construction Notes
Section 08
Construction Notes
FitTBC. Sample size S. Fit confirmation required at toile stage.
Shell100% Lambswool, 520gsm — Pennine Fabrics PF M1 (see Bill of Materials #01).
LiningHeavy Twill weave, Silk — Bennett Silks 1907 (see Bill of Materials #02).
Closure12mm Antique Brass, Cobrax Zero — CF placket and cuffs (see Bill of Materials #03–04).
TopstitchSelf-colour throughout. Stitch density 4–5 stitches per cm — TBC, to be confirmed at toile.
CollarZig-zag profile stitch under collar. Interlining TBC.
PocketsChest and side pocket placement confirmed — see Points of Measure (Front). Type and closure TBC.
Seam Allowance1.5cm throughout unless stated.
NoteThis is a draft document. All fields marked TBC require completion before sampling.
© This design is exclusive and protected by copyright08 — Construction Notes · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
09 — Detail Pages
Section 09
Detail Pages
Pending Detail construction pages will be added here as the specification develops. These will include close-up callouts for key construction details specific to The Stirling.
Detail Page — TBC
Detail Page — TBC
© This design is exclusive and protected by copyright09 — Detail Pages · BC-STR-001 · Barnfield Customs Ltd
Company
Barnfield Customs Ltd
Style
The Stirling Trucker Jacket
File
BC-STR-001.PDF
Fabric
TBC
Date
11.08.2026
Version
Rev 001 — Draft
Section
10 — Quality Standards & Revision History
Section 10
Quality
Standards
All seam allowances 1.5cm throughout unless stated.
All topstitching single needle lockstitch, self-colour thread, 5mm from seam edge unless stated.
Care and size label sewn into left inside pocket.
Brand label corner tack stitched to left inside chest.
Country of manufacture: United Kingdom. Factory: TBC.
Revision History
RevDateDescriptionBy
001TBCInitial draft createdBarnfield
© This design is exclusive and protected by copyright10 — Quality Standards · BC-STR-001 · Barnfield Customs Ltd