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The fine merino wool fibers speed moisture away from your body and trap heat so you stay warm and comfortable during any activity. They also provide more warmth for the weight and naturally resist odors for the lifetime of the fabric. Fine-gauge knit with flatlock seams for a remarkably soft, smooth fit. Lightweight fabric for moderate cold or more vigorous aerobic activities. Pants are gusseted for comfortable mobility. Imported. Machine wash, dry flat.