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Eco Score 3/10
Some eco benefits
Apparel
Under Armour
Under Armour ColdGear Base 4.0 Crew
★★★★★ 4.6 / 5
A widely-used synthetic base layer top (roughly 78-87% polyester with elastane) built for moisture-wicking and quick drying during high-output cold-weather activity.
$79.99 per item
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Pros
- ✓Genuinely fast-drying and moisture-wicking for high-sweat activity
- ✓Stretchy 4-way fabric construction
- ✓Well-established, widely available performance-apparel brand
Cons
- ✗Synthetic (polyester/elastane) construction sheds microplastic fiber in the wash
- ✗Doesn't biodegrade at end of life
- ✗Needs washing sooner than wool to avoid odor buildup
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