Shop thermal online from a great selection of tops, bottoms, sets, and more available at low prices. Carhartt is a fashion brand where one can get clothes for all seasons. Since 1889, it has been providing a large range of clothing items and accessories for men, women, and children. Blue is a very calming and relaxing color. Durable or fancy? Look or feel? What you want in your Carhartt Blue Thermal for men depends on materials like Blend and Cotton.