These are general sizes based on an average from various tops and bottoms
Fit is tighter; if you are in between sizes, we recommend you size up.
Models are wearing a size large.
Keep your little alien in good company with our 'Alien Invasion' sweatpants, designed with an out-of-this-world, ultra-cozy fabric that just so happens to be recycled. Because he cares about planet earth, too.