Undershirts from Gap are practical and versatile wardrobe essentials. Our undershirts for men can be worn in a variety of ways such as underneath sweaters or shirts, or with pajama bottoms, or even alone for a casual look. Get the most comfortable mens undershirts from Gap. With styles that work well with just about anything, find crew neck, v-neck and ribbed tank shirt in our extensive collection of undershirts. In basic colors that accentuate your wardrobe, get the looks you want in our undershirts for men collection. At Gap, casual style and practical design is a plus with our large selection of undershirts.