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polyester / knit
Interlock knit
Interlock is a double-knit fabric — two layers of jersey knitted together. The result is a fabric that's smooth on both faces, more stable than single jersey, and fully opaque even when stretched. Excellent for fitted activewear, base layers, and any garment where structure and a clean surface for printing both matter.
Composition: 100% Polyester
Composition
100% Polyester
Weight
160-220 gsm
Width / Spec
Width 150-180cm, double-knit
Min Order
50 pcs / 50 m
What is interlock knit?
Interlock is a double-knit fabric — two layers of jersey knitted together. The result is a fabric that's smooth on both faces, more stable than single jersey, and fully opaque even when stretched. Excellent for fitted activewear, base layers, and any garment where structure and a clean surface for printing both matter.
Interlock double-knit — smooth on both faces, stable, opaque. Versatile for fitted and active garments. We work with interlock knit daily in our Yiwu factory, producing for brands, teams, and event organizers worldwide. Whether you need polyester, knit, interlock applications or are sourcing interlock knit for the first time, we can help with sample yardage, bulk production, and DDP shipping to your door.
Key characteristics
- 100% polyester double-knit160-220 gsm — mid-weightSmooth face and back (both printable)Full opacity, even when stretchedExcellent dimensional stabilityVivid sublimation print results
Compatible print methods
How we print on interlock knit.
Dye-sublimationDTF (direct-to-film)
Interlock knit is dye-sublimation-friendly, meaning we can print photo-quality all-over graphics edge-to-edge. The print becomes part of the fiber — it won't crack, peel, or fade. For other substrates in your project, we offer DTF and screen-print as fallback options.
Best for
What we make with interlock knit.
Fitted activewear topsBase layers and thermal underwearCycling jerseysPremium polo shirts
Care instructions
How to care for interlock knit.
- ✓Machine wash cold
- ✓Tumble dry low or hang dry
- ✓Iron on low if needed
- ✓Do not use fabric softener
Tags & categories
Where this fabric fits.
polyesterknitinterlockdouble-knitmidweightathleticfittedsublimation-friendlyeverydaystable
Filter our full fabric catalogue by these tags to find related materials for your project.
FAQ
Common questions about interlock knit.
What's the difference between interlock and jersey?
Jersey is a single knit with one smooth face and one looped back. Interlock is a double knit — essentially two layers of jersey knitted together — giving a smooth face and back, more stability, and better opacity. Interlock is the premium choice for fitted garments.
Ready to order interlock knit?
Send us your spec — quantity, sizes, print design — and we'll quote you FOB Yiwu or DDP to your door. Sample yardage available on request.