FabricIQ
Reading the label…
01Verdict
Strong across the board — well-made, safe to wear, and low planet cost.
Best for Daily wear, no caveats.
Material A · 87Health B · 75Eco · 75Label · highMade in USA145 gsm
Why this material grade?
This product scored 87/100 on the material-quality rubric (durability, comfort, breathability, warmth, moisture-wicking, care-ease), based on its composition of 1% Spandex, 100% Merino Wool. Sustainability is scored separately as the Eco Rating. Blended from 1% Spandex, 100% Merino Wool — the score is a weighted average based on each material's proportion.
A (85+): Premium material composition — strong across durability, comfort, and the other quality axes.
Premium quality
This is top-tier fabric — durable, comfortable, and well-suited for long-term wear.
Great fabric value
$20Better-than-typical fabric for this category, at a below-median price.
$0.23 per quality point Category median: $20 · grade C
Fabric value only — compares material quality to price vs other socks. Construction, fit, and brand aren't measured.
02Breakdown
Composition
1% Spandex, 100% Merino Wool
Mostly natural with stretch
Fabric details
eVent™✓ OEKO-TEX®✓ RWS✓ STANDARD 100
Fleece construction · 145 g/m² · Made in USA
Likely chemical finishes
⚠ Easy-care resin · formaldehyde⚠ Antimicrobial biocide · biocide
Stated on the product page — not lab-tested. Not medical advice.
Sustainability is scored separately — see the Eco Rating below.
🌍
This fabric will take 200+ years to decompose. That means a shirt you buy today will still exist in the year 2226.
🧺
Dryer heat destroys spandex/elastane over time. Your leggings and stretchy clothes will last 2x longer if you skip the dryer.
⚖️
Merino Wool (score 86) is carrying this blend. Spandex (score 55) is pulling it down.
03Network
Performance
spec sheet- Fabric weight
- 145 g/m²
- Construction
- Fleece
- Assembled in
- USA
Mid-weight
Brushed knit — warm, soft
Cost per wear
estimated46¢/wear · 43 expected wears
Strong cost-per-wear
How we got there
Base for Socks: 50 expected wears.
× 0.85 for 145 g/m² (mid-weight).
× 1.00 for Spandex (mid-durability fiber, durability 73).
= 43 expected wears. $20 ÷ 43 ≈ 46¢/wear.
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.
Care Guide
Decode symbolsWash
cold (30°C)
Bleach
Do not bleach
Dry
flat dry
Iron
Best For
🏃Athletic Wear
ExcellentExcellent breathability (85) and moisture wicking (90) for active sports
🧥Winter Outerwear
ExcellentExcellent warmth (90) and durability (73) for cold weather
👔Formal/Office
ExcellentExcellent durability (73) and comfort (89) for office wear
😴Sleepwear
ExcellentExcellent comfort (89) and breathability (85) for sleeping
🩲Underwear
ExcellentExcellent breathability (85) and comfort (89) for undergarments
👕Everyday Casual
GoodGood comfort (89) and care ease (51) for casual wear
04Tradeoffs
Health Impact
Microplastic shedding · skin-contact synthetic load · likely chemical treatments
B75/100
Low health impact — predominantly natural fibers with no major treatment flags.
Chemical safety verified — this product carries OEKO-TEX Standard 100, independently lab-tested for harmful substances, so we cleared our inferred chemical-treatment flags.
Microplastics LOW
Very low
Skin contact LOW
1% synthetic
Chemicals HIGH
Formaldehyde, Biocide
- Formaldehyde (likely): "Easy-care resin" stated on the product page — observed, not inferred.
- Biocide (likely): "Antimicrobial biocide" stated on the product page — observed, not inferred.
Biodegradability
Not BiodegradableMaterials will persist in the environment for decades.
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.
05Action