The Smartwool Women's Merino 250 Base Layer Pattern Crew is a top-rated base layer top on Amazon. It features a gradient pattern that adds a stylish touch to your outdoor attire. This top is made with Smartwool's Merino 250 fabric, which offers excellent insulation and moisture-wicking properties. It keeps you warm and dry in cold weather conditions. The crew neck design provides extra coverage and protection against the elements. With its positive reviews and high ratings, this base layer top is a reliable choice for women seeking both style and performance.