Underworks Women's Microfiber Compression Minimizer Crew Neck Long Sleeves T-shirt MicrofiberSpandex Made in USA Comfortable all day as a base layer - Wear under your work attire or at the gym or any sporting activity Invisible under clothing, Our microfiber nylon fabric is smooth and feels like silk and will provide compression and shape! "This shirt stays in place and does not rides up, ever!" MADE IN THE USA - High quality construction and made with the finest materials for maximum durability and service to you