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STIO Basis Peak Wool Lightweight Crew 100539
STIO lists the Men’s Basis PeakWool Lightweight Crew LS as made from their “premium lightweight merino blend,” providing good moisture wicking, breathability, and softness.
The women’s version is similarly described as combining merino’s temperature regulation with durable, soft construction.
It’s part of STIO’s Basis PeakWool collection of baselayers