The CIRQMerino Wool Longsleeve Crew is the perfect go-to first layer for cool and cold weather sports. It's expertly designed to contour to the body and allow for a full range of motion, so it'll never impede your day-to-day. Merino wool has become a go to base layer fabric due to its softness, ability to regulate temperature and moisture, and best of all its odor resistance. Features: - 100% itch free Merino Wool - 150 grams - Made in USA using USA merino wool - Quick drying - Temperature regulating - Natural odor resistant