Blog

A sourcing guide to recycled polyester and recycled nylon for woven apparel programs: why the two feedstock chains are not equivalent, what scope and transaction certificates actually prove, why full recycled content is often the wrong target, the four effects that show up at sampling, where the premium comes from, and the six documents to request before ordering.

A technical guide to fabric weight in woven polyester and nylon: what gsm measures and what it does not, converting gsm to oz/yd2, the four variables that produce weight with a worked pongee calculation, weight bands by end use, where the number misleads, what finishing adds and removes, and the five fields to put in a tech pack.

A construction guide to nylon ripstop for lightweight outdoor programs: how reinforcement yarn ratio and grid spacing arrest a tear, how to read ground denier and filament count, why nylon and polyester ripstop behave differently, how tear strength is measured and misread, and how repellent, calender, coating and downproof finishes change the garment.

A construction guide to the four polyester woven weaves that carry most womenswear programs: how float length in satin, charmeuse, twill and crepe sets lustre, drape, snag resistance, seam stability and print detail, which weave suits dresses, skirts, trousers and linings, and how to write a construction specification that survives the sampling round.

Digital, rotary screen, flatbed screen and transfer/sublimation printing compared for polyester woven apparel: order-size thresholds, colour-count ceilings, design-fit, base fabric requirements, and the quality gates to set before bulk.

A buyer's guide to reading woven polyester and nylon test reports: colour fastness (washing, rubbing, light, perspiration), shrinkage and dimensional stability, Martindale abrasion and pilling, hydrostatic head and spray rating, how AATCC, ISO and ASTM methods differ, and how to write an enforceable specification.

A property-by-property comparison of polyester and nylon woven fabrics for apparel: strength and abrasion, UV stability, moisture regain, dye chemistry, hand, cost, and the five questions that settle the fiber choice.

In woven fabric sourcing, 'stretch' gets used loosely. Mechanical stretch uses engineered yarn or weave geometry with no spandex in the fabric. Spandex stretch uses elastane in the warp and/or weft, with stronger 2-way or 4-way behavior. This guide compares the two paths on stretch direction, magnitude, recovery, heat-setting tolerance, dye compatibility, and cost, and gives a 5-question decision checklist for the next garment spec on polyester or nylon wovens.

Yes — a 95/5 poly-spandex woven gives comfort stretch, not compression: 2-way (weft) give, light shaping, and recovery from fresh greige plus two-stage heat-setting. When to choose a higher spandex share instead.

4-way stretch means elastane in both warp and weft - and yes, a woven can be true 4-way. Learn the 2-way vs 4-way difference, woven vs knit shape retention, heat-setting discipline, and how to spot a high-stretch substitute before you commit.