Columbia Sportswear t-shirts are made to dress you in pure comfort during your toughest workouts as well as casual time. Columbia t-shirts and jackets bring you technology that keeps you fresh and dry. Omni-Free ICE uses your body's natural chemistry to keep you cool and fresh while Thermal Reflective Omni-Heat helps regulate your body temperature by reflecting and retaining the warmth your body generates. Moisture-wicking fabrics and anti-microbial technology aid in keeping you fresh and cool. Columbia t-shirts are both short and long sleeved. Flatlock seaming and a tagless design on many of the styles help keep irritation away so you can keep going. Columbia t-shirts can be worn as a base layer or alone. Breathability and comfort combine with style to bring you sports wear you will love. Columbia t-shirts come in many different colors and styles so you can find the one perfect for you. Shop HisRoom for the latest t-shirt styles of Columbia Sportswear.