Rothco's Thermal Knit Underwear offers unbeatable warmth and comfort and is the perfect base layer to wear while battling the elements. 

Product Details: 

Circular Knit Cotton / Polyester Material Keeps You Warm And Comfortable
The Thermal Underwear’s Snug Fit Is Perfect For Layering
Crew Neck Style Thermal Shirt
Matching Thermal Pants Available As Well
The Thermal Base Layer Top Will Have You Cold Weather Ready And Is Great For Avid Outdoorsmen Who Enjoy Hunting, Fishing, Camping, Snowboarding And More