Abstract: An undergarment for use in surgical, medical or other medical treatment environments, comprising at least two completely separable cloth panels, said panels being separable one from the other, the separation and fastening being effected by the use of Velcro or similar adhering materials. The undergarment may also contain a slit positioned near the urinary tract for a catheter or drain and/or adhering means for keeping a folded-back upper or lower side or crotch portion of the undergarment open and secured in place during examination, treatment or surgery, both said slit and said adhering means being sealable also by use of Velcro or similar adhering material.