No NonsenseClassic Denim Leggings-Jeggings for Women with Real Back Pockets, High Waisted Stretch Jeans

Are these really no nonsense? it has a generic tag inside and no original bag. nowhere does it say no nonsense. chemical smell also

Is the XL same as the 1X?

Can I wear these during my pregnancy?

What size for 5’6 - 145 pounds?