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Yoga Wear Fabrics Industry Knowledge
Haining Yitai Knitting Co., Ltd. has manufactured performance knitted fabric since 2004 from our base in the Warp Knitting Zone of Haining City, Zhejiang. Our Yoga Knit Fabric Manufacturers range covers the constructions that yoga leggings, sports bras, tanks and jumpsuits are actually built from: polyester spandex jersey, nylon spandex interlock, rib, weft single jersey and wrap-knit structures.
We develop and manufacture the fabric, control dyeing and finishing through our own supporting facility, and quote against the working point a brand needs: GSM, width, stretch direction, recovery, opacity and hand feel.
Our Yoga Knit Fabric Range
The yoga collection is organised by knit structure rather than by colour, because structure determines stretch behaviour, opacity and how the fabric behaves on a cutting table. Each family below is produced in the yarn blends, weights and widths a garment programme requires.
- Polyester spandex jersey — the workhorse for leggings and tops; light, fast-drying and printable.
- Nylon spandex interlock — double-knit construction for squat-proof coverage and compression.
- Weft single jersey — soft hand, high elongation, suited to second-skin silhouettes.
- Rib and wrap-knit structures — for waistbands, cuffs, trims and panelled designs.
- Printed and jacquard options — digital print, tie-dye, foil and jacquard effects on the same base cloths.
Construction and Specification Reference
The table below shows representative specifications from our yoga range. These are starting points for development; final GSM, width and blend are set against the garment's fit, coverage and care requirements.
| Construction | Typical Blend | GSM | Width | Primary Yoga Application |
|---|---|---|---|---|
| Weft single jersey | 72% nylon / 5% poly / 23% spandex | 175 | 154 cm | Leggings, fitted tops |
| Solid weft interlock | 73% nylon / 27% spandex | 220 | 156 cm | Compression leggings, squat-proof coverage |
| Wrap knitting | 42% poly / 38% nylon / 20% spandex | 155 | 150 cm | Panelled sets, structured tops |
| Single jersey, cationic | 85% cationic / 15% spandex | 280 | 155 cm | Heavyweight sculpting leggings |
| Interlock | 83% polyester / 17% spandex | Custom | Custom | Core leggings, matte black programmes |
| Rib | 75% nylon / 25% spandex | Custom | Custom | Waistbands, trims, binding |
Where Each Fabric Fits
Yoga apparel is a coverage problem as much as a stretch problem. A legging that turns sheer at 50% extension fails the wearer regardless of how soft the hand feels, so we match structure to the pose range the garment must survive.
High-coverage leggings
High-gauge interlock with 20–30% spandex, 220–320 GSM. Double-knit loop structure blocks light under deep flexion.
Second-skin tops
Fine-gauge single jersey, 150–200 GSM, with multi-way stretch and a smooth, low-friction surface for layering.
Waistbands and trims
Rib and wrap-knit structures with high elastane content for recovery under repeated tension.
Fibre Selection and Performance Trade-offs
Polyester, nylon and Sorona each bring a different balance of cost, hand feel, colour depth and environmental profile. We help brands choose the base fibre against the garment's positioning rather than defaulting to one polymer.
- Polyester spandex — strong colour retention, good printability, cost-efficient at volume.
- Nylon spandex — softer hand, deeper dye uptake, preferred for premium leggings.
- Sorona blends — bio-based fibre option for programmes with renewable-content targets.
- Recycled content — available under our GRS certification, which covers processing, manufacturing and trading of products containing a minimum of 20% recycled material.
Stretch, Recovery and Opacity
Elastane percentage drives the whole performance envelope. Raising spandex from a standard 8–12% to a 20–25% pro-yoga blend changes horizontal elongation, vertical elongation and recovery after extension, which is what keeps a legging from bagging at the knee.
| Performance Metric | Standard Blend (8–12% Spandex) | Pro-Yoga Blend (20–25% Spandex) |
|---|---|---|
| Elongation, horizontal | 120–150% | 220–280% |
| Elongation, vertical | 60–80% | 140–180% |
| Elastic recovery after 1 min | ~88% | ≥96% |
| Growth after 30 washes | 3–5% | <1.5% |
| Compression support | Light / casual | Professional / body-sculpting |
Opacity is engineered through three levers: knitting gauge, fibre denier and spandex type. High-gauge interlock machines stack two loop layers to block light; micro-denier filaments pack more filaments per square inch; dope-dyed black spandex removes the white-out reflection that appears when conventional elastane is stretched.
Customisation and Finishing Options
We build yoga fabric to a brand's specification rather than to a fixed catalogue. Development typically moves from a reference swatch or tech pack to a lab dip, then to a bulk-approved sample before production.
- GSM, width and elastane ratio adjusted to the garment's fit and coverage target
- Solid dyeing, digital print, tie-dye, foil print and jacquard effects
- Matte, peached and brushed surface finishes
- Moisture-wicking, anti-static and anti-bacterial finishing options
- Recycled-content constructions under GRS chain of custody
Quality Control and Acceptance Testing
Our quality control system covers construction, dimensional stability, appearance retention and moisture behaviour, tested against agreed limits before cutting. We keep a control swatch from the approved sample and compare each production lot against it.
| Property | Method | Typical Acceptance Limit |
|---|---|---|
| Fabric weight (GSM) | Circular cutter, 3 × 100 cm² samples | Within 5% of agreed spec |
| Dimensional change | AATCC 135 / ISO 6330, 3 washes | 5% max, length and width |
| Pilling resistance | Martindale, 2,000 rubs | Grade 3–4 |
| Colourfastness to washing | AATCC 61 | Grade 4 or higher |
| Wicking (active styles) | AATCC 197, 30 minutes | 80 mm or more rise |
| Stretch recovery | ASTM D4964 | Residual set within 3 mm |
Dyeing high-elastane fabric is technically demanding because spandex is heat- and chemical-sensitive. Our dyeing and finishing facility is set up to handle that balance, achieving deep colour penetration without degrading the elastic fibres.
Related Fabric Programmes
Yoga fabric shares yarn systems and finishing lines with our other performance collections, so brands building a full range can consolidate development and dyeing across categories.
- Activewear Fabrics for training and running programmes
- Team Sportswear Fabrics for club and institutional kit
- Sustainability Fabrics for recycled-content ranges
Information We Use to Configure Your Solution
A usable quotation depends on the working point, not on a colour card. We prepare the specification and price from the following inputs.
- Garment type and the pose range it must survive
- Target GSM, width and elastane percentage
- Required stretch direction and recovery behaviour
- Opacity requirement and colour depth
- Surface finish and any print or jacquard artwork
- Care label conditions and wash-test expectations
- Order quantity per colour and per delivery
- Reference swatch, tech pack or approved sample
Frequently Asked Questions
How do you make yoga fabric squat-proof?
We combine high-gauge interlock knitting, micro-denier filaments and dope-dyed black spandex so the fabric stays opaque under limit stretch. Our quality control includes a limit-stretch check on every development lot.
Can you adjust GSM and spandex ratio for our programme?
Yes. Our R&D group adjusts yarn denier and elastane ratio to hit the balance of compression, recovery and opacity a specific garment needs, from light 150 GSM tops to 320 GSM sculpting leggings.
Do you offer recycled or lower-impact options?
We hold GRS certification covering processing, manufacturing, packaging, labelling, trading and distribution of products containing a minimum of 20% recycled material, and we produce Sorona-based constructions for renewable-content programmes.
What testing documentation accompanies an order?
Test results are reported against the agreed method and limit for GSM, dimensional change, pilling, colourfastness, wicking and stretch recovery, with a retained control swatch for lot comparison.
Can you develop a fabric from our tech pack or a competitor swatch?
We develop from drawings, tech packs and physical samples. Send the reference and the target specification, and we will return a construction proposal with a lab dip for approval.
How is the fabric packed and delivered?
Rolls are packed to the agreed roll length and put-up, labelled with the article, lot and shade, and prepared for the delivery scope confirmed in the order. Packaging requirements are set during order confirmation.

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