Learning Hub
Clothing Manufacturing Guides, Glossary & Free Tools
43+ guides written from the factory floor — AQL inspection, FOB pricing, yarn and fabric specs, certifications, and shipping — plus free calculators you can use right now. No signup required.
All Guides and Free Tools
Sourcing · 5 min read
Can You Send a HEX Code to a Clothing Manufacturer?
Why a HEX code is not enough for a dye house, what to send instead, and how to turn a screen color into a Pantone TCX code for your tech pack.
Manufacturing · 7 min read
What Delta E Is Acceptable for a Lab Dip?
How to choose a Delta E limit for lab dip approval, why the formula matters, and a tolerance clause you can adapt for your tech pack.
Sourcing · 6 min read
Pantone TCX vs PMS vs TPG for Clothing
What TCX, PMS, TPG and TPX mean, and which Pantone reference to write for fabric, trims, thread, prints and packaging.
Sourcing · 6 min read
How to Write Pantone TCX Codes in a Tech Pack
Copy-ready tech pack wording for fabric, dye-to-match trims, hardware and prints, plus the common mistakes that cause color rejections.
Manufacturing · 6 min read
Why the Same Color Looks Different on Cotton and Polyester
Why one Pantone code lands differently on cotton, polyester and blends, and how to specify separate lab dips and tolerances for each fabric.
Market Intelligence · 12 min read
How to Start a Clothing Brand in the UK
2026 UK startup costs, whether you need a licence, print-on-demand versus cut-and-sew, fibre and care labelling rules, and what 300 pieces really costs landed.
Sourcing · 8 min read
AQL 2.5 Inspection Explained for Garment Buyers
What AQL 2.5 actually means, how sample sizes and Ac/Re numbers are calculated under ANSI/ASQ Z1.4, and why the level you pick changes what defects pass.
Manufacturing · 7 min read
Fabric GSM Explained: Weight, Feel, and Production Impact
What GSM actually measures, why it varies between the same fabric type, and how to pick the right GSM for the garment you're building.
Compliance · 8 min read
GOTS Label Guide: What's Required on an Organic Garment
The exact label and transaction-certificate requirements for a garment carrying a GOTS organic claim, and the mistakes that get shipments held.
Sourcing Strategy · 10 min read
How to Negotiate with Clothing Manufacturers
Where factories actually have pricing flexibility (and where they don't), and how to negotiate MOQ, lead time, and payment terms without damaging the relationship.
Sourcing Strategy · 9 min read
FOB vs CIF vs DDP: Incoterms Explained for Fashion Brands
Who pays for what, and who carries the risk, at each stage of shipping — broken down for buyers comparing quotes that use different incoterms.
Sourcing Strategy · 8 min read
L/C vs T/T Payment Terms for Clothing Imports
The real difference between Letter of Credit and Telegraphic Transfer for a first order, and which one actually protects you as the buyer.
Manufacturing · 7 min read
Garment Sample Cost Explained: What to Expect
Typical proto, fit, and pre-production sample costs, why samples aren't free, and how sample cost is usually credited against a bulk order.
Compliance · 11 min read
Fiber Blend HS Code Classification: The 50/50 Problem Explained
Why a 51/49 cotton-poly blend and a 50/50 blend can land in different tariff chapters with different duty rates, and how GRI 3 actually decides it. Includes an interactive blend classification checker.
Manufacturing · 9 min read
Lab Dip Explained: Why Color Approval Takes Multiple Rounds
What a lab dip actually is, why the first round is rarely approved, and what changes between rounds. A factory-level walkthrough of the color approval process.
Manufacturing · 8 min read
Shade Variation Explained: Why Dye Lots Don't Always Match
Why fabric from the same order can show slightly different shades, how shade variation is measured on a grey scale, and what tolerance is normal versus a real defect.
Manufacturing · 7 min read
Knitting Defects Explained: Causes and How They're Caught
The most common knitting fabric defects, what causes them, and how 4-point fabric inspection catches them before they reach a finished garment.
Manufacturing · 7 min read
Fabric Cutting Explained: Bowing, Skewing, and Marker Waste
Why cut garments sometimes twist after washing, what bowing and skewing actually are, and how fabric relaxation before cutting prevents both.
Manufacturing · 8 min read
Stitch Quality (SPI) Explained: What Actually Makes a Seam Strong
What stitches per inch (SPI) means, typical SPI ranges by fabric and seam type, and the most common sewing defects buyers actually encounter.
Manufacturing · 8 min read
Embroidery Problems Explained: Puckering, Thread Breaks, and Backing
Why embroidered logos pucker or shift, what backing (stabilizer) actually does, and how stitch density limits change what's achievable on different fabrics.
Manufacturing · 8 min read
Garment Measurement (POM) Explained: Points, Tolerance, and Disputes
What points of measure (POM) actually are, typical tolerance ranges by measurement point, and why two garments from the same order rarely measure identical.
Manufacturing · 8 min read
Printing Methods Compared: Screen Print vs DTF vs Sublimation
How screen printing, DTF, sublimation, and embroidery actually compare on durability and cost, and why prints crack, fade, or peel after a few washes.
Manufacturing · 7 min read
Garment Finishing Explained: Compacting, Softening, and Shrinkage
What finishing treatments actually do to fabric, how compacting controls shrinkage, and why handfeel is hard to specify in writing.
Manufacturing · 7 min read
Garment Washing Explained: Wash Types and Shrinkage Control
Why garments are washed as part of production, the difference between enzyme, stone, silicone, and garment-dye washes, and shrinkage control.
Manufacturing · 7 min read
Yarn Quality Explained: Yarn Count, Ring Spun vs Open End
What yarn count actually measures, the real difference between ring spun and open end yarn, and why yarn quality can vary within a single order.
Manufacturing · 8 min read
Shipment Delay Explained: Why Bulk Timelines Slip and How to Buffer
Why bulk production timelines differ from sample timelines, the most common real causes of delay, and how much buffer experienced buyers build in.
Manufacturing · 9 min read
Pattern & Fit Problems Explained: Grading, Tolerance, and Sample Types
Why a perfect sample doesn't guarantee a perfect bulk fit, what grading and tolerance actually mean, and what each sample type is really for.
Manufacturing · 6 min read
Yarn: The Complete Guide for Fashion Brands and Fabric Buyers
Everything from fiber to finished spool — yarn types, spinning methods, count systems, quality testing, and sustainable sourcing, explained for buyers who need to specify yarn correctly.
Manufacturing · 9 min read
Types of Yarn and Spinning Methods Explained
Natural, man-made, and blended fibers, staple vs filament yarn, and how Ring, Rotor, Air-jet, and Vortex spinning each shape yarn quality and cost.
Manufacturing · 8 min read
Yarn Count, Twist, and Structure Explained
Ne, Nm, Tex, and Denier numbering systems, plus twist direction, twist level, and single vs plied vs cabled yarn construction.
Manufacturing · 7 min read
Yarn Quality Testing and Common Defects
Evenness, imperfection index, hairiness, and tenacity testing with Uster benchmarks, plus the most common yarn defects and their causes.
Sustainability · 7 min read
Sustainable Yarn and Certification Explained
Organic cotton (GOTS), recycled fiber (GRS/RCS), and Better Cotton compared — including what changed with Better Cotton certification in 2026.
Sourcing Strategy · 7 min read
Yarn Buyer Guidelines and Spec Sheet Guide
How to write a complete yarn spec sheet, what MOQ and lead times to expect, and how the yarn dip color approval process works before bulk production.
Manufacturing · 6 min read
Garment Labels: The Complete Guide for Fashion Brands
Everything a fashion brand needs to know about garment labels — types, materials, compliance rules, placement, and the buyer approval process — from a vertically integrated Bangladesh manufacturer.
Manufacturing · 9 min read
Types of Garment Labels: A Complete Breakdown
Main, size, care, fiber content, country of origin, warning, heat transfer, flag, loop, and RFID labels — what each one does and where it belongs.
Manufacturing · 10 min read
Garment Label Materials and Manufacturing Methods
Damask, satin, TPU, silicone and more compared, alongside woven, printed, heat transfer, and laser-cut production methods.
Manufacturing · 8 min read
Garment Label Placement and Required Information
Where labels go on a garment, and exactly what information — RN number, barcode, fiber %, size — each one must show.
Compliance · 10 min read
Garment Label Compliance and Legal Requirements
US FTC rules, EU Textile Regulation 1007/2011, RN/CA numbers, and GOTS, GRS, and OEKO-TEX labeling requirements explained.
Manufacturing · 8 min read
Garment Label Quality Testing and Common Defects
Color fastness, wash durability, and attachment strength testing, plus the most common label defects and how factories prevent them.
Sourcing Strategy · 7 min read
Garment Label Buyer Guidelines and Approval Process
How to write a label spec sheet, set placement standards, and move a label from first sample to bulk-production approval.
Manufacturing · 10 min read
Bangladesh Clothing Manufacturing Costs
Real cost breakdown for international fashion brands sourcing from Bangladesh. Understand labor rates, material prices, factory overhead, and FOB pricing to plan your margins accurately.
Compliance · 12 min read
EU Clothing Regulations 2026
Comprehensive guide to EU clothing regulations taking effect in 2025–2026. Essential for fashion brands sourcing from Bangladesh — understand EPR, Ecodesign, and Digital Product Passport requirements.
Manufacturing · 8 min read
Bangladesh Production Lead Times
Plan your inventory and product launches with realistic production timelines from Bangladesh's leading clothing manufacturer.
+9 more guides in progress — check back soon.
Guided Learning Paths
Curated reading order if you don't know where to start.
Beginner · ~49 min
New to Bangladesh Sourcing
Start here if you're evaluating Bangladesh as a sourcing destination for the first time.
- Bangladesh Clothing Manufacturing Costs
- Bangladesh Production Lead Times
- AQL Inspection Guide
- Negotiating Apparel Manufacturing Contracts
Intermediate · ~46 min
EU Compliance for 2026–2027
Everything brands need to understand about upcoming EU textile regulations.
- EU Clothing Regulations 2026
- EU ESPR Compliance Timeline
- GOTS vs OEKO-TEX vs GRS
- Digital Product Passports for Textiles
Intermediate · ~34 min
Sustainability Certification Journey
Navigate the complex landscape of sustainable textile certifications.
- GOTS 7.0 vs OEKO-TEX vs GRS
- Digital Product Passports for Textiles
- EU ESPR Compliance Timeline
Free Calculators
FOB Price Calculator
Enter your garment specifications to estimate FOB pricing from Bangladesh. Based on current 2025–2026 market rates.
Fill in your garment specifications and click Calculate to see your estimated FOB price breakdown.
AQL Inspection Calculator
Calculate required sample sizes and acceptance numbers based on ANSI/ASQ Z1.4 (ISO 2859-1) — the international standard for apparel quality inspection.
Enter lot size and AQL requirements to calculate your inspection sample size.
| Brand Tier | Critical | Major | Minor | Inspection Level |
|---|---|---|---|---|
| Mass Market / Fast Fashion | 0.65 | 2.5 | 4.0 | Level II |
| Mid-Market Brands | 0.4 | 1.5 | 4.0 | Level II |
| Premium / Contemporary | 0.1 | 1.0 | 2.5 | Level II–III |
| Luxury / Heritage | 0 | 0.65 | 1.5 | Level III |
| Children's / Safety-Critical | 0 | 0.65 | 2.5 | Level II–III |
Lead Time Estimator
Get a realistic production timeline from order confirmation to shipment. Includes all stages: fabric sourcing, sample approval, production, QC, and export documentation.
Select your product specs to generate a T&A calendar breakdown.
Industry Glossary
20 essential garment industry terms — from factory floor metrics to trade regulations. Search or filter by topic.
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