There are currently only two sizes: Adult and Children. The adult size is approximately a men's large and the child size is approximately a women's small.
In-seam: 29 in
Waist: 47 in (stretched) 32.5 (Not stretched)
In-seam: 24 in
Waist: 40 in (stretched) 25 (Not stretched)
These are the only two sizes at the moment. Please contact me directly if you have any other questions. Support@buybearpants.com