Boys' cold weather T-shirt made of two-layer ColdGear® fabric, which is smooth, soft, durable and will keep you warm wherever you are. With a modified raglan cut of the sleeves and 4-Way Stretch technology for unrestricted movement during various activities. This is the perfect first layer that you will be happy to use on skis, sledding or other activities in cold climates. dual-layer ColdGear® fabric with ultra-warm, brushed interior and smooth, quick-drying exterior material wicks away sweat and dries quickly stretch mesh panels on the back and armpits for better ventilation construction with 4-Way Stretch technology allows the material to be elastic in all directions ergonomic design with seams outside the most stressed parts turtleneck collar for better coverage and insulation Shaped hem