Rothco Heavyweight Thermal Knit Underwear Top XL. Extra Heavyweight Thermal Knit Top Raschel Knit elastic knit cuffs Specifications for Rothco Heavyweight Thermal Knit Underwear Top: Manufacturer: Rothco Sleeve Length: Long Age Group: Adults Apparel Fit: Regular Gender: Male Color: Natural Shirt Style: Thermal Shirt Fabric/Material: 100percent Cotton Neckline: Crew Seasonal/Temperature Use: Cold Weather Features of Rothco Heavyweight Thermal Knit Underwear Top Material: Cotton Material Specs: 100percent Cotton Weather: Cold Weather Package Contents: Rothco Heavyweight Thermal Knit Underwear Top Rothco Heavyweight Thermal Knit Underwear Top XL 6448-XL