Specialized designs vary based on the desired look and level of compression:
Wider Gusset: The bottom crotch area (gusset) needs to be wider than standard women’s panties to contain and cover anatomy properly. ladyboy panties
Fashion and Identity: The Role of Panties Specialized designs vary based on the desired look
Given these broad categories, here are a few potentially useful resources or types of documents you might find helpful: ladyboy panties