Learn how clothes get made.

A tech pack tells a factory exactly how to make your garment. Learn what goes in one and how to make it in 8 steps, with a free t-shirt tech pack template.

GSM tells you how heavy a fabric is. See typical GSM for t-shirts and hoodies, how to change it to ounces, and how to write fabric weight in your tech pack.

What to put in a clothing size chart, how to measure your sample, cm vs inches, flat vs full widths, and a free size chart maker to export a PNG or Shopify table.

What it actually takes to start a clothing brand: choosing one garment, fabric and fit, making a tech pack, finding a factory, samples, sizing and pricing your first drop.

What a complete tech pack template actually contains — flat sketch, graded size chart, grade rules, tolerances and fabric weight — the five things to check before you trust any free one, and where to read all of it free.

What goes in a t-shirt tech pack: the ten points of measure, grade rules and tolerances, fabric weight, and the construction lines factories need. With a free boxy tee template.

A hoodie needs everything a tee needs plus the hood, the rib and the pocket. What to specify for each, with real numbers from a free 400 GSM cropped hoodie template.

Most tech pack examples are a thumbnail. This walks through a real two-page tech pack for a heavyweight tee — what is on each page, and why a factory needs it there.