Gymshark Brown High-Waisted Seamless Leggings

I got these from a friend, but they are too small. She took the tag out. I’m a 2 in lulu leggings to help sizing, but these feel a bit snug on me. I’m assuming there an xs or an xxs. I’m 120 and 5’4 for reference. Very cute leggings though, wish they fit me!