Thread Report

J.Crew Sweater Fabric Composition.

We analyzed 214 sweater products from J.Crew. At 92.3% average natural fibre, sweaters are one of J.Crew's better categories — 13.9 percentage points above their overall average of 78.4%. Cotton is the most common fibre in J.Crew sweaters, found in 44.9% of products.

214Sweater Products
92.3%Avg Natural Fibre
78.4%J.Crew Overall

Top Fibres in J.Crew Sweater

Cotton
44.9%
Cashmere
33.2%
Wool
22.4%
Polyamide
12.1%
Elastane
6.5%

How J.Crew Compares — Sweater

Average Natural Fibre % by Brand

COS
98.5%
Barbour
95.4%
Madewell
94%
Acne Studios
93.8%
J.Crew
92.3%
Arket
87.3%
Massimo Dutti
86.3%
Ganni
83.9%
Uniqlo
81.2%
& Other Stories
79.7%
Aritzia
79.5%
Anthropologie
78.8%
Maje
78.2%
House of CB
73.8%
AllSaints
72.3%
Sézane
71.6%
Reformation
68.9%
Sandro
68.6%
Alo Yoga
67.1%
Glassons
50.3%
Zara
47%
Abercrombie & Fitch
46.8%
ASOS
36.1%
Weekday
35.6%
SKIMS
34.8%
Mango
34.4%
Bershka
33.1%
Pull&Bear
27.4%
Meshki
20.4%
Princess Polly
20.3%
Topshop
16.6%
Cotton On
15.7%
Urban Outfitters
14.4%
Patagonia
6.5%
Boohoo
4.8%

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Frequently Asked Questions

What are J.Crew sweaters made of?

Across 214 sweater products from J.Crew, the average natural fibre content is 92.3%. This is above J.Crew's overall average of 78.4%.

Are J.Crew sweaters good quality fabric?

At 92.3% average natural fibre, J.Crew sweaters are among the better options. Higher natural fibre content generally means better breathability, durability, and less microplastic shedding.

Should I buy sweaters from J.Crew?

If fabric composition matters to you, J.Crew sweaters average 92.3% natural fibre. Use the Fibr browser extension to check individual items while shopping — fabric quality varies widely even within one category.

Related reports.

J.Crew Full Report2,004 total productsAll Brands: Sweater2069 products across all brandsJ.Crew Skirt71.3% naturalJ.Crew T-Shirt97% naturalJ.Crew Shirt87% naturalJ.Crew Dress78.9% natural

Explore the Thread Report

Part of an openly-licensed dataset.

This page is one view of Fibr's Thread Report — fabric composition data for major fashion retailers, free to read and cite. Explore the rest:

About the Thread ReportWhat the dataset is, how it's built, and how to cite it.All brand reportsFabric breakdowns for every retailer we track.Brand rankingsWho uses the most natural fibre — and the most polyester.Brand comparisonsHead-to-head fabric data for every viable brand pair.Research findingsOriginal findings built on the dataset.State of FabricThe annual report on fashion's fibre mix.MethodologyHow we classify fibres and compute every number.Fabric guides & researchHow to read labels, decode fibres, shop smarter.

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