These seamless compression body suits are knit with a smooth nylon for comfortable compression. The open crotch makes it easy to use the toilet without any hassle! While one of the models is wearing an undergarment underneath the suit, because they didn't want genitals visible in the photos, we would recommend wearing your underwear over the compression suit for easier use of toilets etc. Fit Sizing down will offer more compression, but may be less comfortable long-term. Care Made in China Machine Wash Cold Line Dry Legal Disclaimer: Our products have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or physical health condition. Policies Refund Policy: free exchangesShipping Policy: ships in 1-3 business daysPrivacy PolicyTerms of Service Legal Disclaimer: Our products have not been evaluated by the FDA and are not intended to diagnose, treat, cure, or prevent any disease or physical health condition.