The Carhartt Women's Base Force Cold Weather Crew Neck Top is another popular option for women's camouflage base layer tops on Amazon. This top is made from a blend of polyester and spandex, providing a comfortable and stretchy fit. It features Carhartt's FastDry technology, which wicks away sweat and fights odors to keep you feeling fresh. The crew neck design and camouflage pattern make this top both practical and stylish for outdoor activities.