Classic plain black tights, choose from 80 denier opaque or 40 denier semi opaque. One pair. 

SIZE XL (UK 14-16): fits up to 120cm (48") hips (approx. AU size 14 and US 1x)

SIZE XXL (UK 18-20): fits up to 120-132cm (48-52") hips (approx. AU size 18 and US 2x)

SIZE XXXL (UK 22-26): fits up to 132-147cm (52-58") hips (approx. AU size 22 and US 3x)