MANCYFITThermal Pants for Women Fleece Lined Leggings Underwear Soft Bottoms (Black, Medium)

Wide waistband

what size for 5ft 9 in, 145 lbs?

The size chart is for tops. Is there a size chart for the leggings?

Are these high waisted or mid-rise? I can't tell from pictures and don't see anything in the description