Soft, waffle knit thermal cotton-rich fabric gives you comfortable warmth. Tag-free for itch-free comfort. * Shrinkage controlled for lasting size and shape retention. * Sturdy seam construction for added strength and durability with smooth, flat no rub seams to prevent chafing. * Fly Front. Size up for a roomier fit. * For all-over warmth, pair with our matching thermal Crew or Henley.