The only thermal pants you need this winter are the Core Performance Work Wear™ Base Layer Thermal Pants by Ergodyne®. They have come up with some awesome technology that makes these pants great! They feature climate/temperature control, moisture management to make sure you stay dry, the anti-stink treatments make sure you don’t have any embarrassing odors, and soil release treatments makes washing easy. The comfort design has flat seams, a tagless waistband, and stretch fabrics with a UPF of 50*. You won’t ever go back to regular thermals once you try the Core Performance Work Wear Thermal Pants. Available in black only.