Products
nanamica — Stripe Tech Belt

nanamica

Stripe Tech Belt

AccessoriesSKU: SURF210U
C

55/100

Safe to wear, but rough on the environment.

Safe to wear; production isn't clean — donate when done.

Material C · 55Health A · 91Eco · 18Label · high

Why this material grade?

This product scored 55/100 on the 7-axis material rubric, based on its composition of 100% Polypropylene.

C (55-69): Average material composition — typical blend, reasonable for everyday wear.

Everyday quality

This fabric does the job for daily wear. Not premium, not bad — it's the middle of the road. Follow care instructions carefully to extend its life.

Breakdown

Composition

100% Polypropylene

Plastic-based — sheds microplastics in wash

🌍

This fabric will take 200+ years to decompose. That means a shirt you buy today will still exist in the year 2226.

🏭

The fashion industry produces 10% of global carbon emissions — more than aviation and shipping combined.

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Cost per wear

rough estimate
30¢/wear · 200 expected wears

Strong cost-per-wear

How we got there

Base for Accessories: 200 expected wears.

× 1.00 for Polypropylene (mid-durability fiber, durability 65).

= 200 expected wears. $60 ÷ 20030¢/wear.

Missing GSM — this is a category-level estimate, not garment-specific. Expect ±30% variance.

Real life is messier than a formula: how often you wash, how you wash, whether you wear it inside-out, dry on low — all of it shifts the number. This is the ceiling under reasonable care.

30°

Wash

cold (30°C)

Bleach

Do not bleach

Dry

line dry

Iron

Do not iron

P

Dry Clean

avoid

Cycle: normalDetergent: regularSoftener: No

Best For

👔Formal/Office
Good

Good durability (65) and comfort (50) for office wear

🌧️Rain/Weather
Good

Good moisture wicking (85) and durability (65) for weather protection

Tradeoffs

Health Impact

Microplastic shedding · skin-contact synthetic load · likely chemical treatments

A91/100

Low health impact — predominantly natural fibers with no major treatment flags.

MicroplasticsLOW

Minimal

Skin contactMODERATE

100% synthetic

ChemicalsLOW

No flags

Eco Rating

18/100

High environmental impact

Learn about eco ratings →

Biodegradability

Not Biodegradable

Materials will persist in the environment for decades.

Health & environmental impact →

What this score doesn't measure

  • ×Fiber grade. Staple length, micronaire, strength. "100% cotton" could be short-staple upland or long-staple Pima — same label, very different fabric.
  • ×Yarn processing. Singles count, ply (single vs two-ply), spinning method (open-end vs ring-spun vs compact), mercerization. Invisible from any label.
  • ×Knit / weave structure. Single jersey vs interlock, knit tightness. A loose knit pills; a tight knit lasts.
  • ×Fabric weight (GSM). One construction signal among several — and high GSM can come from loose cheap yarn just as easily as from fine tight yarn. We have it for blank manufacturers, rarely for retail.
  • ×Pre-shrink processing. Sanforized cotton shrinks ~1%; non-sanforized can shrink up to 10%. Not visible from the composition tag.
  • ×Construction quality. Stitch density (SPI), seam types, collar geometry, manufacturing tolerances (AQL). These often matter more than the fiber itself.
  • ×Specific chemical loads. Health Impact flags "likely PFAS / possible formaldehyde" from composition × category — we don't lab-test individual SKUs.

We rate the fabric, not the garment. Composition is the floor of what you're guaranteed to be getting — most shoppers don't have that.

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