The special waffle knit fabric creates tiny air pockets that capture and hold in your body heat. This provides an extra layer of insulation to keep you toasty when braving chilly weather. The soft, breathable material also wicks moisture to keep you dry and comfortable all day long.Stanfield's thermals are perfect for men who work or play outdoors in cold conditions. Slip them on under your clothes for an extra layer of warmth, so you can focus on the job or fun at hand - not battling the cold. Stay warm in style and comfort with Stanfield's waffle knit thermals.