Smartwool Women's Intraknit Thermal Merino Base Layer Bottom
Fair
$150.00
Summary
60% merino wool is a strong natural base, but 30% nylon and 10% elastane add two synthetic plastic fibers causing confirmed plastic leaching — a notable downgrade from Smartwool's classic merino-only legging.
At a glance
Key ingredients 3
Merino Wool (60%)Very Good
Merino Wool (60%)
Very Good
Natural moisture-wicking, temperature-regulating fiber. The cleanest component of this legging.
See more about Merino Wool (60%) →Nylon (30%)Bad
Nylon (30%)
Bad
Petroleum-derived synthetic polyamide. Sheds microplastics and contributes to plastic leaching confirmed for this product.
See more about Nylon (30%) →Elastane (10%)Bad
Elastane (10%)
Bad
Synthetic polyurethane stretch fiber adding further microplastic shedding risk.
See more about Elastane (10%) →Get the full breakdown in the Scout app
Scan any product to see lab results, healthy alternatives, and your personalized analysis.
Download on theApp Store