Don’t just stay warm in cold work conditions, do it in comfort. Men’s Performance Rib-Knit Thermal Underwear Bottom are made from soft, rib-knit 5.5-oz., 100% polypropylene that’s both lightweight and effective. Ribbed cuffs. Navy color. Specify size: S-3XL or Tall M-2XL in the drop-down menu above.


  • Manufacturer #: 21DR-2X
  • Faceted Color: Navy
  • Material: Polypropylene
  • Color: Navy