Only 60% merino wool

Reviewed by Edog from Napa Valley on Sunday, February 28, 2016
"infused" with marino wool.....see what they did there? Yeah. According to the Smartwool website, these are 60% Merino Wool, 38% Nylon, 2% Elastane. It's helpful when the list the materials and percentages. Come on, STP!
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