https://x-pertex.com/Source-led denim specification notes.https://x-pertex.com/denim-construction/denim-weave-basics/https://x-pertex.com/denim-construction/denim-weave-basics/Sat, 22 Aug 2026 12:00:00 GMTDenim weave basics: warp, weft and twill. Warp and weft are not abstract diagram labels. Their interlacing is the physical grammar behind a denim surface and.https://x-pertex.com/denim-construction/right-hand-left-hand-broken-twill/https://x-pertex.com/denim-construction/right-hand-left-hand-broken-twill/Thu, 20 Aug 2026 12:00:00 GMTRight-hand, left-hand and broken twill. Twill direction is a way to describe a visible diagonal, not a quality score. The useful comparison is what the swatc.https://x-pertex.com/dyeing-finishing/indigo-dyeing-basics/https://x-pertex.com/dyeing-finishing/indigo-dyeing-basics/Sun, 02 Aug 2026 12:00:00 GMTIndigo dyeing basics for denim. Indigo is best understood through layer and process: the dye route, the yarn or cloth it reaches and the later work that chan.https://x-pertex.com/dyeing-finishing/shrinkage-skew-torque/https://x-pertex.com/dyeing-finishing/shrinkage-skew-torque/Mon, 24 Aug 2026 12:00:00 GMTDenim shrinkage, skew and garment torque. Shrinkage changes dimensions, skew describes a directional shift and torque describes a garment-level twist. They o.https://x-pertex.com/testing-quality/denim-test-methods/https://x-pertex.com/testing-quality/denim-test-methods/Tue, 18 Aug 2026 12:00:00 GMTDenim test methods: a selection matrix. Method names are a selection matrix. The important handoff is from a product risk to the method family and the requir.https://x-pertex.com/testing-quality/colorfastness-denim/https://x-pertex.com/testing-quality/colorfastness-denim/Wed, 12 Aug 2026 12:00:00 GMTColourfastness testing for denim. Rubbing, laundering and light exposure are different colour questions. Indigo makes that distinction easy to see and easy t.https://x-pertex.com/sourcing-compliance/read-denim-tech-pack/https://x-pertex.com/sourcing-compliance/read-denim-tech-pack/Sun, 02 Aug 2026 12:00:00 GMTHow to read a denim fabric tech pack. A tech pack is a handoff document. It should make the fabric, sample, test, label and jurisdiction fields explicit enou.https://x-pertex.com/sourcing-compliance/textile-certifications/https://x-pertex.com/sourcing-compliance/textile-certifications/Mon, 24 Aug 2026 12:00:00 GMTTextile certifications and claims compared. A certification or programme covers an object and a chain of custody. Comparing names without those boundaries is.https://x-pertex.com/sourcing-compliance/denim-sample-review-checklist/https://x-pertex.com/sourcing-compliance/denim-sample-review-checklist/Thu, 20 Aug 2026 12:00:00 GMTDenim sample review checklist. A sample review should record what is seen, what is measured, what was promised and what still needs a document or a repeat ob.https://x-pertex.com/notebook/https://x-pertex.com/notebook/Sat, 15 Aug 2026 12:00:00 GMTDenim Field Notes notebook. The notebook keeps terminology and source changes dated so a stable guide does not quietly become stale.