private label recycled swimwear fabric sampling checklist

2026-07-16 · Development · Aloha & Co Editorial Team

Compare stock swim samples with target recycled nylon by checking VITA specs, stretch growth, GSM, shrinkage, hand feel, fit, and claim limits.

Summary. A practical approval guide for private-label swimwear buyers comparing early samples in stock fabric against Carvico VITA recycled nylon specs, ASTM/AATCC test methods, and Textile Exchange claim rules.

Key Takeaways

Benchmark the target fabric first: Carvico VITA lists 78% recycled PA, 22% EA, 190 g/m2, 150 cm width, and 70 m roll length.
Bali Swim publishes no minimums for stock fabrics, while imported colors require 1 roll, around 70 m, and 4+ weeks.
Use ASTM and AATCC methods for stretch, growth, weight, width, thickness, shrinkage, skew, visual inspection, and hand feel.
No universal pass/fail thresholds are visible for recycled nylon swimwear samples; set tolerances against the tech sheet and lab result.

Direct Answer

Use a private label recycled swimwear fabric sampling checklist to compare the substitute stock sample against the target recycled fabric spec before approving bulk. For Carvico VITA, check 78% recycled PA, 22% EA, 190 g/m2, 150 cm width, and 70 m rolls, then confirm stretch growth, weight, shrinkage, hand feel, fit, and claim rules. Treat substitute-fabric fit approval as conditional until the exact production fabric is tested and fitted.

Start With The Target Fabric

A private label recycled swimwear fabric sampling checklist starts with the target bulk fabric. Carvico lists VITA 390 as an eco-sustainable techno-fabric made with regenerated ECONYL Nylon yarn, with 78% recycled PA, 22% EA, 190 g/m2 weight, 150 cm width, and 70 m length. Features include bielastic behavior, pilling resistance, shape retention, UV protection, chlorine ultra resistance, softness, and recycled fiber.

That sheet is the benchmark. A private label swimwear manufacturer can sew an early substitute-stock sample, but approval should stay conditional if the shell is not the exact recycled nylon. Published by Aloha & Co, a resort wear, swimwear, and aloha shirt manufacturer.

Separate Stock Sampling From Final Fabric

The wait-versus-sample decision is practical. Bali Swim says stock fabrics have no minimums. Imported colors require a 1-roll minimum, around 70 m, and 4+ weeks to arrive. Its Carvico VITA import note says not in stock, MOQ 1 roll per color, and 4 week import.

A substitute can answer construction questions: seams, elastic, lining, hardware, print placement, sample size, and finish. It cannot prove final production fit by itself. The pack gives no source proving that a substitute-stock fit sample reliably predicts final fit in exact recycled nylon.

Compare Substitute Specs With The Benchmark

Do not treat all swim fabrics as close matches. Bali Swim lists Bali Swim Shiny at 80% nylon and 20% spandex with 200 g/m2 weight. It also lists Unisize Eco Crinkle at 92% recycled nylon and 8% elastane with 600-650 g/m2 weight. Both differ from VITA's 78% recycled PA, 22% EA, and 190 g/m2.

For low MOQ swimwear, use the substitute sample for controlled decisions only. Confirm whether it is lighter, heavier, shinier, more textured, less elastic, or more compressive. If color, coverage, or fit is approved in the substitute, record rechecks for the final roll.

Test Stretch, Growth, Weight, And Width

Stretch recovery should not be a hand-pull judgment. ASTM D2594/D2594M-21 covers stretch properties of knitted fabrics having low power. Stretch is measured when a known load is applied; growth is evaluated after a known extension is applied and removed.

Build the checklist around methods, not invented thresholds. ASTM also lists D6614 for stretch by CRE method, D4964 for tension and elongation, D3774 for width, D1777 for thickness, D3776 for mass per unit area, and D5430 for visual inspection. Universal acceptable GSM variance is not visible, so use the mill tech sheet, buyer tolerance, and lab result.

Check Shrinkage, Skew, And Hand Feel

The 101st AATCC Manual is the 2026 Volume 101 and was available starting January 1, 2026, with three new standards and twenty-eight revised standards. The update includes TM135-2025 for fabric dimensional change, TM150-2025 for garment dimensional change, TM179-2025 for skew change, and EP5-2025 for fabric hand.

Hand feel can also be checked with instruments. SDL Atlas says AATCC TM218-2025 covers tactile sensations by an instrumental multi-module method, and the Fabric Touch Tester can quantify feel in as little as 5 minutes through thickness, compression, bending, roughness, friction, and thermal characteristics. That gives a comparison method, not a universal pass mark.

Protect Recycled Claims Before Bulk

Recycled-content language needs evidence, especially when the sample and final roll differ. Textile Exchange reported about 132 million tonnes of fibers produced globally in 2024, up from about 125 million tonnes in 2023, and projected around 169 million tonnes in 2030 if business continues as usual. It also reported recycled fibers at 7.6% in 2024 and less than 1% of the global fiber market from pre- and post-consumer recycled textiles.

For claims, Textile Exchange explains that GRS can be used as a business-to-business tool at 20% recycled content, while consumer-facing labeling requires 50% recycled content. A custom swimwear manufacturer should keep sample cards, bulk records, hangtag wording, and product-page copy aligned. For commercial planning, use the private label swimwear manufacturer page, then approve bulk only after exact fabric, fit, tests, and claim wording match.

Buyer Comparison

Checkpoint	Evidence anchor	Buyer action
Target fabric	VITA: 78% recycled PA, 22% EA, 190 g/m2.	Benchmark the sample.
Sampling fabric	Stock no minimums; import 1 roll, around 70 m, 4+ weeks.	Mark substitute approval conditional.
Stretch and growth	ASTM D2594 uses known load and known extension.	Request test results.
Weight and width	ASTM lists D3776 for mass per unit area and D3774 for width.	Compare with tech sheet.
Shrinkage and hand	AATCC TM135, TM150, TM179, EP5, and TM218.	Check wash, skew, feel.
Recycled claim	GRS B2B at 20%; consumer-facing labeling at 50%.	Align records and public wording.

Buyer Questions

What should buyers check first in a recycled swimwear fabric sample?

Start with composition, weight, width, roll length, listed performance features, and whether the sample fabric matches planned production fabric.

Can buyers approve fit in a substitute stock fabric?

Only conditionally. The evidence pack does not prove that a substitute stock fabric reliably predicts final fit in the exact recycled nylon.

What if the exact recycled nylon is not in stock?

Use supplier-specific timing. Bali Swim publishes a 1-roll minimum, around 70 m, and 4+ weeks for imported colors.

Which tests belong in a fabric sampling checklist?

Include stretch, growth, tension and elongation, width, thickness, fabric weight, visual inspection, dimensional change, skew, and hand feel.

Can buyers use one universal GSM or shrinkage tolerance?

No universal tolerance is visible. Set acceptance against the tech sheet, buyer tolerance, test method, lab result, and approved sample.