Duckworth Men's Maverick Long Sleeve Crew 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 Power Jersey fabric Duckworth Power Jersey fabric is designed for year-round use with great natural stretch and comfort. 140g/m Soft, breathable and warm when wet