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05 / Materials2026-10-205 min read3 sources

French Terry vs Fleece: What Changes in a Hoodie?

French Terry has a looped inside; brushing raises surface fibres. A lightly brushed finish is different from a deep, fluffy fleece pile, so ask how the inside is finished. Read fibre composition and fabric weight separately from the fabric name.

Turn a hoodie inside out. A looped back and a fuzzy, brushed back are useful differences to look for before comparing product-page adjectives. CottonWorks distinguishes French Terry from brushed sweatshirt fleece by the treatment of the inside loops.SRC 01

This article compares those sweatshirt fabrics. The word fleece covers more products than this comparison, so check which construction a seller actually means.

01 / Chapter

Start with the inside surface

French Terry leaves the loops on the back visible. Brushing or napping raises fibres from the back yarns to make the fleecy surface. The surface treatment can change while the underlying knit structure stays the same.SRC 01

Napping is a mechanical finishing process. Wire-covered rollers lift fibres from the fabric surface. The process settings affect the raised surface, so a finish description should say more than simply brushed.SRC 02

Light brushing and a deep, fluffy fleece pile describe different surface treatments. GOODCALL has a lightly brushed inside. The illustration below shows the distinction in broad terms; it is not a rendering of our actual fabric sample.

Inside surface illustration
Three conceptual cream knit surfaces: visible loops on the left, a short lightly brushed surface in the centre, and a dense fuzzy surface on the right.

Left: unbrushed loops. Centre: light brushing. Right: strongly brushed fleece.

AI-generated illustration of generic surfaces. These are not photographs of the GOODCALL fabric or a measured comparison.

Surface comparison

These two common surface descriptions are useful starting points. Light brushing needs its own description; neither column is a quality grade.

What to check
Inside surface
French Terry
Visible loops
Brushed sweatshirt fleece
Raised, fuzzy fibres
What to check
Back treatment
French Terry
Un-napped in the comparison used here
Brushed sweatshirt fleece
Brushed or napped
What to check
Composition
French Terry
Read the fibre percentages
Brushed sweatshirt fleece
Read the fibre percentages
What to check
Fabric weight
French Terry
Check the stated GSM
Brushed sweatshirt fleece
Check the stated GSM

Surface descriptions follow CottonWorks. Composition and GSM are separate specification questions.

Ask for a close-up of the inside if the listing only shows the outside. CottonWorks uses French Terry for an un-napped construction in this comparison. GOODCALL’s working material name is French Terry, with light brushing specified separately. The name alone would leave that finish detail open.

02 / Chapter

Separate the fabric name from the fibre

Fleece does not automatically mean polyester. Sweatshirt fleece can be all cotton, a cotton blend, or synthetic. French Terry also comes in different fabric weights.SRC 01

For a buying decision, read the fibre percentages alongside the fabric name. A listing that says French Terry still needs to tell you what the fabric is made from. A listing that says cotton fleece still needs to tell you how much cotton it contains.

03 / Chapter

Compare weight and intended use

CottonWorks associates brushed fleece with cold-weather and active garments. That is a use pattern, rather than a measured warmth ranking for every hoodie.SRC 01

If you are choosing between two products, keep your question specific. Do you want visible loops against the skin, or a plush inside? Will you wear another layer underneath? Does the brand provide enough detail to compare the two actual fabrics?

GSM answers another question: how much a square metre of fabric weighs. It does not tell you whether that fabric is brushed. The GSM explainer covers the measurement and the range guide.

04 / Chapter

Ask for evidence beyond the first touch

A soft inside does not tell you how the hoodie will look after repeated washing. For either construction, ask what the brand has checked and whether the answer describes a requirement or a completed result.

Before buying
01
Surface

Look for an inside close-up and a clear description of the finish.

02
Specification

Check fibre percentages and fabric weight separately from the fabric name.

03
Checks after washing

Ask for documented shrinkage, shape, and surface checks. A target is different from a result.

These questions give you something concrete to compare. They do not require treating either fabric name as a promise of quality.

05 / Chapter

What GOODCALL is working towards

GOODCALL starts with 420 GSM fabric and a lightly brushed inside surface. The material goals are French Terry construction and combed ring-spun organic cotton.SRC 03

After washing, the goal is a 5–10% increase in GSM. That gives a calculated 441–462 GSM range from the 420 GSM starting point. This expected weight per area is still to be measured; it does not mean the whole hoodie gains that percentage in mass.

Supplier location is India. The inside finish is lightly brushed, without a deep fleece pile. These details do not establish a completed warmth, durability, or wash-test result.

The working specification is public. Check it for the current requirements and goals. This comparison does not report a completed product test.

Common questions

Quick answers for the obvious follow-up questions before you move on.

Q01

Is French Terry the same as fleece?

They are related sweatshirt constructions. CottonWorks describes a common French Terry construction as un-napped fleece. Brushing or napping the back raises fibres to create the fuzzy surface associated with sweatshirt fleece.

Q02

Does fleece always mean polyester?

No. Sweatshirt fleece can be cotton, a cotton blend, or synthetic. Read the fibre composition separately from the fabric name.

Q03

Which is warmer, French Terry or fleece?

Brushed sweatshirt fleece is commonly used for colder-weather clothing. The names alone do not establish which of two hoodies will be warmer. Compare their actual construction and weight, and look for relevant test information.

Q04

Which fabric is GOODCALL using?

GOODCALL uses a lightly brushed inside and 420 GSM starting fabric. French Terry in combed ring-spun organic cotton remains the material goal. A 5–10% increase in GSM after washing is the goal, giving a calculated 441–462 GSM; the post-wash result still needs measurement.

Source ledger

Every claim in this note ties back to named documents or datasets.

SRC 01
Single & Double Knits
Explains French Terry, two-end fleece, and the effect of napping the inside surface. Published by Cotton Incorporated, a cotton research and promotion organisation.
CottonWorks
Open source
SRC 02
Mechanical Finishing
Describes how napping raises surface fibres and how mechanical finishing changes the fabric surface.
CottonWorks
Open source
SRC 03
GOODCALL public material specification
Records the starting fabric weight, inside finish, and development goals. The post-wash weight range is calculated, not a completed test result.
GOODCALL
Open source
05 / MaterialsWRITTEN BY JAN JERUSALEMAI-ASSISTED / DISCLOSED3 SOURCES