The Minus33 Merino Wool Women's Ossipee Midweight Crew is a top-rated base layer top on Amazon. Made from 100% merino wool, this top offers excellent warmth, breathability, and moisture-wicking properties. The merino wool fabric is soft, itch-free, and naturally regulates body temperature, making it ideal for cold weather activities. The crew neck design and long sleeves provide optimal coverage and protection. The top also features flatlock seams to prevent chafing and a slim fit for easy layering. Whether you're skiing, snowboarding, or engaging in other outdoor activities, the Minus33 Merino Wool Women's Ossipee Midweight Crew is a reliable choice.