LOOPWHEEL
3-Pack 18-Hour Jersey Briefs (Nature Walk)
Mack Weldon

3-Pack 18-Hour Jersey Briefs (Nature Walk)

$74Accessible

// 1st cheapest of 5 in Underwear & loungewear// Mid-range for Mack Weldon

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Loopwheel score// how we score
7.3/ 10Strong

// weighted across 6 scored axes

Make
6.0/10
Value
6.0/10
Community

Member ratings will fold into this score, coming with Loopwheel membership.

// Review pending

The full review is being generated. The verdict + spec data above are live; come back for the long form.

§Spec sheet// 75% coverage · Full

Every data point we have.

// Construction
Material
47.5% modal, 47.5% cotton, 5% spandex
Fabric detail
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Construction notes
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Made in
—
Care
Machine wash cold with like colors; tumble dry low. Avoid excessive fabric softener to preserve waistband and prevent pilling.
Signals tracked
2 / 5
// Fit
Cut
Slim
Sizing accuracy
Runs Small
Sizing range
S-XXL
Formality range
Very casual → Business
// Use
Season
Year Round
Loud-to-subtle
2 / 10
Versatility index
6 / 10 · 5 formality contexts · 1 season
Wash difficulty
1 / 5 · Machine wash cold, tumble dry
Versatility
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Layering
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Travel-friendly
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// Value
Price
$74
Price tier
Accessible
Percentile · Underwear & loungewear
0th percentile
Within brand
Mid-range for Mack Weldon
Category rank
1st cheapest of 5 in Underwear & loungewear
Cost per wear
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Value verdict
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Discount likelihood
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Best time to buy
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// Predictive
Predicted lifespan
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Lifespan score
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Climate range
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Break-in
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Breathability
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// The anatomy

24 data points

Fabric & material

Weight (GSM)
180 gsmI
Weight class
MidweightC
Stretch
2 wayI
Pre-washed / sanforized
NoI

Color & tone

Colorways available
1I
Color versatility
6I

Pairing & styling

Layering role
BaseI
Capsule role
WorkhorseI

Use & performance

Season
Spring, Summer, Fall, Winter, Year roundI
Activity
Lounge, Work, Athletic, TravelI
Breathability
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Wrinkle resistance
HighI
Travel-friendly
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Formality (min)
LoungewearI
Formality (max)
Business casualI

Care & longevity

Care
Machine wash cold with like colors; tumble dry low. Avoid excessive fabric softener to preserve waistband and prevent pilling.I
Predicted lifespan
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Pilling resistance
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Repairability
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Economics

Price
$78I
Resale price
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Resale liquidity
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Sizing & fit

Sizing accuracy
Runs smallI

V read from photos · I inferred from the spec · C computed. Every value carries its source — we don't guess.

§ 04The Context

Alternatives to consider

Ranked by fingerprint shape, archetype overlap, price proximity, and category match — not just “same category, three random.”

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Last reviewed: Sep 17, 2026