Stay super-warm in the bitter cold with this Midweight Stretch Top from Columbia. With its Omni-Heat? thermal reflective technology, this top reflects your body heat back to keep you cosy whilst the Omni-Wick? fabric will move sweat quickly away from your skin, keeping you dry. What?s more, the top is treated with an antimicrobial treatment which protects it from any bacterial growth. With 4-way stretch fabric and a flatlock seam construction, this base layer top reduces chafing or rubbing, overall keeping you warm and comfortable for your outdoor adventures. Columbia Men's Midweight Stretch Long-Sleeve Top - Black | George Fisher