HEATR® Tundra Base LayerHEATR Tundra is our top selling base layer pant, not in a women's cut Thin, light weight, makes it easy to throw on this extra layer when you want to warm up Will keep you warm even in temperatures from 0 to 75 F HEATR throughout entire pant with for maximum warmth and muscle recovery Exposed waistband for added comfort Great for thin base layer in any outdoor winter activity to keep you warm and dry Care Instructions: Machine wash cold, gentle cycle,