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The Complete Apparel Production Guide
From sampling to bulk production — everything a clothing brand needs to manufacture with confidence. Built on experience since 2018 — from the factory floor to your brand.
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Most apparel production guides are written by people who have never been inside a factory. This one is different.
Topology is a Vancouver-based garment manufacturer and supply chain partner. We have spent years working with clothing brands at every stage — first-time founders placing their first sample order, and established labels trying to break out of offshore MOQ constraints. The articles throughout this guide come from direct experience: not recycled research, but what actually happens on the production floor.
The production process is more front-loaded than most brands expect
The most common misconception new clothing brands bring into production is that manufacturing is the hard part. It is not. The hard part is everything that happens before you place the bulk order: understanding what a factory actually needs from you, building a tech pack that communicates your design intent precisely, and getting through the sampling stage without losing months to avoidable back-and-forth.
Done right, garment manufacturing is predictable. You know your timelines. You know your costs. Your quality control process catches defects before goods ship — not after they arrive. This guide is structured to build that kind of production confidence, whether you are manufacturing locally in North America or sourcing from factories overseas.
How to use this guide
The sections below follow the real production sequence: understanding the process and timelines, getting your sampling right, building a proper tech pack, controlling quality at scale, and choosing and vetting your manufacturer. Each section links to full articles written from direct production experience.
If you are building your first clothing line, start at Section 01 and work through in order. If you are already in production and troubleshooting a specific problem, jump to the section that matches where you are stuck. The FAQ at the bottom of this page covers the most common questions we hear from brands at every stage.
01 — Understanding the Production Process
Before your first sample, you need to understand how garment manufacturing actually works — the stages, the timelines, and what factories expect from you.
Clothing Production Timeline Guide
What happens between "I have a design" and "I have inventory" — week by week.
About TopologyWhy We Built Our Own Garment Factory
The supply chain problems we kept seeing — and why we decided to solve them differently.
ProcessHow We Work at Topology
Our step-by-step production process, from inquiry to delivery.
MOQThe Truth About Low MOQ Manufacturing
A 7-year veteran's confession on why small batch is reshaping the industry.
02 — Sampling: Getting It Right Before Bulk
Sampling is where most brands lose time and money. These guides cover what factories actually need from you — and how to give feedback that works.
How to Prepare Your First Garment Sample
What to send, what to expect, and how to avoid the most common first-timer mistakes.
Sampling StagesSampling: PP, Top, and Bulk — What Each Stage Means
The three-stage sampling process explained clearly, without the factory jargon.
CommunicationHow to Give Clear Visual Feedback on Samples
The annotation method that saves rounds of back-and-forth with your factory.
SpecsWhy Clear Measurements Save Production Time
Vague specs are the #1 cause of sampling delays. Here's how to fix that.
03 — Tech Packs & Pattern Making
A proper tech pack is your contract with the factory. Without it, nothing is guaranteed — not the fit, not the material, not the timeline.
The Complete Tech Pack Guide
Every section you need, explained with real examples from production.
KnitwearKnitwear Tech Pack & Production Guide
Knitwear has different rules. Here's what changes — and what stays the same.
PatternPattern Making Guide for Clothing Brands
Understanding grading, fit blocks, and what your factory pattern maker needs.
04 — Quality Control & Manufacturing Standards
QC isn't just inspection — it's a system built into every stage of production. These guides explain how to protect your brand before goods ship.
05 — Sourcing Factories & Supply Chain Decisions
Where you manufacture changes everything — cost, lead time, quality, and risk. These are the real trade-offs, from someone who's navigated both sides.
Insider Guide: Finding Cut & Sew Manufacturers in China
How to vet factories, avoid ghost factories, and build real supplier relationships.
SourcingChina vs Vietnam: Cut & Sew Manufacturing Compared
First-hand data on cost, MOQ, lead time, and quality — not recycled blog opinions.
Local ProductionContract Sewing in Seattle vs Vancouver
Why North American brands are moving production 3 hours north — and what it costs.
Due DiligenceBest Clothing Manufacturers: How to Spot Bot Scams
The AI ghost factory problem is real. Here's a 7-year framework for vetting suppliers.
Frequently Asked Questions
How long does apparel production take from start to finish?
A typical production run takes 12–20 weeks from initial inquiry to delivery: 2–4 weeks for sampling, 1–2 weeks for sample approval, 8–12 weeks for bulk production, and 1–3 weeks for shipping and QC inspection. Timelines vary based on factory location, order complexity, and how quickly samples are approved on your end.
What is a tech pack, and do I need one to work with a factory?
A tech pack is a detailed document that communicates every specification of your garment to the factory — measurements, materials, construction details, labels, and packaging requirements. Most factories require one before they can provide a quote or begin sampling. Without a tech pack, there is no written record of what was agreed, which is the leading cause of costly production miscommunications.
What does MOQ mean in clothing manufacturing?
MOQ stands for Minimum Order Quantity — the smallest order a factory will accept, typically per style or per colorway. Offshore factories in China and Vietnam usually require 300–500 pieces per style. North American manufacturers like Topology often work with lower MOQs, which makes small-batch production accessible for brands that are still testing styles or managing cash flow carefully.
How do I find a reliable clothing manufacturer?
Reliable factories are found through referrals, trade shows, and direct sourcing — not directory listings. Key red flags include factories that cannot provide references, request large deposits upfront, or are unresponsive to technical questions. Always request a sample before committing to a bulk order, and verify production capacity through a site visit or video call. Our guide on how to spot bot scam factories covers the vetting framework in detail.
What are the different sampling stages in garment production?
Garment production typically involves three sampling stages: (1) Proto or First Sample — an initial build to test fit and design intent, usually in a substitute fabric; (2) PP Sample (Pre-Production Sample) — made from the actual production fabrics and trims, this is the approved reference the factory uses for the bulk run; (3) Top of Production Sample — pulled from the beginning of the bulk order to confirm consistency before the full shipment leaves the factory.
What is AQL in apparel quality control?
AQL stands for Acceptable Quality Level — a statistical method for inspecting a representative sample of units from a production batch to determine whether the full order meets your quality standard. A common AQL level for apparel is 2.5, meaning no more than 2.5% of inspected units can carry a major defect before the batch is flagged for re-inspection or rejection. AQL inspection typically happens before goods ship from the factory.
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