What Is French Terry? The Knit Behind Almost Every Good Sweat

French terry is a single-knit fabric with two different faces: a flat jersey surface on the outside and rows of small, uncut yarn loops on the inside. Those loops are formed during knitting — part of the fabric's structure, not a finish applied afterward — and they do the job a lining would otherwise do: holding a thin layer of air against the body and absorbing sweat off the skin. A clean printable face plus a functional back is why french terry became the default fabric of the sweats category. Where the "french" came from is genuinely murky (textile histories offer more than one story), but the construction is not, and the construction is what you're buying.

If you've compared product pages for hoodies, crewnecks or joggers and kept seeing the phrase, this guide is the missing footnote: what the fabric actually is, what it's made of, how heavy it runs, and how it behaves once a factory starts washing and printing it. More than 170 products in our live catalog run on french terry — it is, by a wide margin, the fabric we cut most.

What makes a knit "french terry"

The defining feature is the loop-back: on the technical back of the fabric, a heavier yarn floats in loops that are left exactly as knitted — never sheared, never brushed. Run your hand inside a quality pullover like our plain blank french terry essentials hoodie and you can feel the ridged rows; that texture is the fabric's name tag.

Underneath, the base is a single jersey carrying a laid-in loop yarn — the same structure our french terry vs brushed fleece guide describes as a three-thread fleece knit. Two near neighbors cause most of the confusion. Brushed fleece starts as that same knit, but its back loops are brushed up into a soft nap; the warmth, pilling and hand-feel trade-offs are that guide's whole subject, so they stay there. Terry cloth — the towel and bathrobe fabric — is a different animal entirely: usually woven, with looped pile on both sides. French terry keeps its loops on one side only, which is why a hoodie doesn't look like a towel from the street.

	French terry	Brushed fleece	Terry cloth (toweling)
Inside face	uncut knitted loops	loops raised into a nap	loops
Outside face	flat jersey	flat jersey	loops
Made by	knitting	knitting + brushing	weaving (usually)
Home turf	year-round sweats	cold-weather comfort hoodies	towels, robes

What french terry is used for

Almost the entire sweats wardrobe. Pullover and zip hoodies, crewneck sweatshirts, joggers and sweatpants, sweat shorts, and the cropped silhouettes streetwear keeps returning to — like our acid-washed french terry crop hoodie with appliqué patching on the loop-back base. Matching sweatpant and jogger programs lean on it for the same reason tops do: it holds a silhouette without needing a lining.

The reason it spans seasons is the unbrushed loop. A napped fleece traps still air and commits the garment to warmth; an open loop absorbs sweat and lets air move through. Lightweight french terry wears comfortably through summer evenings, and dense heavyweight terry builds winter-grade garments — same construction, different yarn and density.

What it's made of

The fiber recipe is a program decision, not trivia:

• 100% cotton is the streetwear standard, and it's what our washed programs run on — because cotton is what garment washes actually work on. Acid, stone and vintage washes act on cotton fiber and its dye; the loop-back base survives the drum while the surface takes the fade. Our 500 gsm vintage acid-wash zip-up is exactly this recipe: heavy cotton terry, washed hard, screen printed after.
• Cotton-polyester blends (CVC, 50/50) cut cost and shrinkage and survive commercial laundering better. The catch: wash effects live on the cotton share of the fabric, so the more polyester in the blend, the less of the fade survives. When the wash is the product, cotton content is non-negotiable — the wash-by-wash logic lives in our vintage wash vs garment dye vs acid wash guide.
• Elastane rarely goes into the terry body itself at streetwear weights; the stretch you feel at cuffs and hems comes from ribbed trims. Where it does appear is in lighter loungewear terry that needs recovery through the seat and knee.

How heavy does it run?

Weight is grams per square meter, and french terry covers a wider band than most fabrics — which is why "french terry" alone is half a spec. Under roughly 300 gsm it wears closer to a heavy tee than a hoodie: summer crewnecks, shorts, lightweight joggers. The 300-450 gsm middle is standard hoodie and sweatpant territory. Past 450 gsm the fabric starts standing on its own, building the structured, boxy look that current heavyweight streetwear runs on — like our oversized dirty-wash french terry sweatshirt. For the full weight-band tables, the measurement standards and the point where extra grams stop buying anything, see the GSM overview and the fleece weights guide.

How it behaves in production

This is the part product pages skip, and it's where french terry earns its dominance.

Garment washes love it. Enzyme, stone and acid processes leave the loop structure intact, which is why nearly every washed sweat you've seen — ours included — is terry underneath. The wash changes the surface and the color; the loops keep doing their job.

Printers get a flat canvas. Screen printing, DTG and embroidery all land on the smooth jersey face, with the loops safely on the other side. Fabrics with a raised face, like sueded fleece or velour, push back against a squeegee; terry doesn't.

Shrinkage follows the cotton. High-cotton terry moves in the first washes, and loosely knit or under-stabilized terry moves most. Compacted or pre-shrunk fabric plus an honest stated tolerance keeps finished garments inside spec — the numbers and the test methods are in our cotton shrinkage tolerance guide.

The loop is also the weakness. An exposed loop can snag and pull. Inside a garment that's a minor risk, but it's why terry density matters on unlined hoods and why a very loose, cheap terry feels flimsy and catches on everything — weight was never the only number worth specifying.

Specifying french terry for a program

The one-line spec a factory can actually quote from: "loop-back french terry, [gsm target], [fiber content], [wash if any]" — plus a reference garment for hand-feel, which settles more arguments than any number. The physical sample is the real decision gate. Our fabric sourcing team puts candidate terries against your reference inside the 10-15 working days a sample takes, and bulk follows 20-30 working days after approval. Production starts at 50 pieces per style; the final minimum for a specific garment depends on its fabric, colors and decoration, and a project-specific quote follows once the complete details are reviewed.

FAQ

What is french terry fabric made of? Most commonly 100% cotton at streetwear weights, with cotton-polyester blends used where cost, shrinkage control or commercial durability matter more than wash effects. The defining feature isn't the fiber — it's the knit: flat jersey face, uncut loop pile on the back.

Is french terry good for summer? Lighter weights, yes. The inside loops are unbrushed, so the fabric absorbs sweat and lets air through instead of insulating like a napped fleece. Sub-300 gsm terry works for summer crewnecks and shorts; heavyweight terry above 450 gsm is a cold-weather fabric regardless of construction.

Is french terry the same as fleece? Same knit family, different finish. Brushed fleece is essentially french terry whose back loops have been raised into a soft nap for warmth. Loop-back keeps structure and breathability; brushing adds insulation and pilling risk. The full comparison is in our french terry vs brushed fleece guide.

Does french terry shrink? High-cotton french terry shrinks in early washes like any cotton knit, and loosely knit or under-stabilized terry moves most. Compacted or pre-shrunk fabric plus a stated tolerance keeps finished garments inside spec — ask a factory for the tolerance, never a promise of zero.

Why is french terry used for so many hoodies? Because each face does a job: the flat outside takes prints and embroidery cleanly, and the looped inside manages air and moisture without a lining. Add that it survives garment washes intact, and it covers the sweats category from summer shorts to structured heavyweight hoodies.

References

• Loop-back fleece knit construction and terry knitting — Textile Learner, knitting technology articles
• Cotton knit fabric behavior, absorbency and shrinkage — CottonWorks™ (Cotton Incorporated), fabric technical resources
• Woven terry (double-sided pile toweling) vs knitted single-side loop-back — textile classification references
• Jiashun live catalog sitemap, retrieved 2026-07-31 — 170+ active products with french terry construction; per-product fabric and wash claims match the live product pages linked above