FLEXIBLE THERMAL SET: Adventurous souls don't hibernate in winter, they wrap up in an extremely flexible thermal full body Techweave mens base layer with 360-degree stretch so they can freely conquer the wild! MOISTURE TRANSPORT SYSTEM: Enjoy instant and steady insulation without the sweaty and clammy feeling in moisture-wicking and quick-drying thermal clothes with fleece lining from Body Glove. BREATHABLE DESIGN: Lightweight thermal top and long johns for men feel nearly invisible against the skin. Avoid the cold and the unpleasant smell after hours of skiing, running or hiking in our long underwear! WARMTH WITHOUT THE BULK: Ensure comfort and style through all formal, casual and sporty affairs in our slim-fitted cold weather under garments for men with soft elastic waist and winter-proof openings. THERMAL CLOTHES COMBO: Body Glove's set of thermal underwear for men includes 1 thermal shirt and 1 mens long johns in black. These thermals for men are available in small to double x-large sizes.