Why dye sublimation needs polyester, how blend ratio affects colour and wash durability, and when to choose DTF, DTG or screen print for cotton-rich tees.
Why knitwear factories subcontract sewing or printing, the quality and labelling risks it brings, and the questions and approvals to agree before any work moves.
How to choose liner fabric, construction and seams for gym and running shorts with built-in briefs or compression liners, and what to test before bulk.
How peaching, brushing and softener finishes make tees feel soft, why softness changes after washing, and how to specify and check finishes that last.
How to plan garment measurement in final inspection for tees and hoodies, how many pieces per size, which points to measure and how to set and apply tolerances.
How US and EU fibre labelling rules treat bamboo-based viscose, what the FTC says about “bamboo” claims, and how to word labels, tags and product pages.
Why white undershirts are visible under white or light dress shirts, how colour, neckline and fabric affect show-through, and what to specify for an invisible undershirt.
Pros and cons of nominating a fabric mill for knitwear orders versus letting the garment factory source, and what to agree on responsibility, testing and claims.
Why decorations on children’s tees need attention for US lead limits, which parts may need third-party testing, and how to manage changes in decoration suppliers.
How flatlock and overlock seams differ on leggings, where each works, how seam stretch and strength are checked, and what to put in the construction spec.
What “pre-shrunk” means for cotton tees, how fabric compacting and garment washing reduce shrinkage, how to test it, and how to keep the claim and care label consistent.
Why tees arrive with set-in creases and shiny marks from pressing, how folding, pressing and packing contribute, and what to put in the packing and finishing spec.
