New Without Tags. The size on the tag is L but it probably will fit like an XL. Check the measurements below with pants that already fit you to make sure this is the right size for you! These black pants are super comfortable and stylish! They look like slacks but have an elastic waist and stretchy material. Measured flat: Hip to hip: about 17.5 in Length (top of the waist down to the bottom of the ankle): about 38.5 in