Stay warm all winter with the Original One piece Union suit. This long one piece thermal underwear is full cut for ultimate comfort. Made with a classic design, this union suit has a vertical seat flap for easy access when you need it most.
On Piece Thermal Underwear
- Classic rib knit
- 8 button placket front
- Vertical seat flap with 1 button
- Full cut for the ultimate comfort
- Small - 2XL Size chart.