Introducing LongJohn and Son's Thermal Undershirt. The classic tall base layer designed for warmth and comfort. Three season layered coverage, sleeve length for long arms, designed to fit your frame and keep you snug. Not a bad set of pajamas, either, paired with a pair of our Long Thermal Underwear.

• 60% cotton, 40% polyester
• Pre-washed, shrinkage controlled
• Machine wash cold with like colors
• Tumble dry low
• Do not bleach
• Do not dry clean