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Garment manufacturing process showing fabric inspection, stitching, and quality control

The Manufacturing Playbook: Apparel Production Guides, Specs, Costing & Compliance

Apparel Production Playbook

Your technical reference library for apparel development—from costing and GSM to quality control (AQL), tech packs, and export compliance. Use this guide to reduce production risk.

Start Your Production Run


Table of Contents


⭐ Synerg Core Production Services

Ready to move from learning to production? Direct access to our verified manufacturing lines.


A) Manufacturing Fundamentals & Process

Start here for an end-to-end understanding of how a factory operates, from the floor to the future of tech.

B) Fabric & Tech Specs (GSM, Yarn, Knitting)

Deep dives into the engineering of clothes. Essential reading for creating accurate tech packs.

C) Costing, Consumption & Financials

The math behind the business. Learn how to calculate costs and fabric usage accurately.

D) Quality Control, Tech Packs & Execution

From design to merchandiser communication—how to ensure your product is made right.

E) Finding & Vetting Factories

Strategies for vetting suppliers and identifying the right buying offices.

F) Email & Outreach Templates

Copy-paste templates and resources to look professional when contacting suppliers.


Karthik Shan

About the Author: Karthik Shan

Karthik Shan is the CEO of Synerg and a manufacturing consultant with 20+ years in the Tirupur textile hub. He publishes practical playbooks for brands on fabric GSM, costing (CM/CMT), AQL quality standards, and export-ready production.

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