Duckworth Women's Hummingbird Tank Top 100% Helle Rambouillet Merino Made in US wool Grown, spun, knit and sewn 100% in the USA Natural USA grown Merino wool Odor-resistant, non-itch 100% merino wool Duckworth Micro Rib fabric Ultralight wool construction for peak comfort; barely perceptible against the skin. 125g/m Soft, breathable and warm when wet