The subject is / has: 1. At least 18 years old at the time of informed consent. Minimum age required by state regulations (as applicable). 2. An expected scored Class I (Clean) surgical wound using CDC Surgical Wound Classification system. 3. A planned implant with GORE® ENFORM Biomaterial for a single site ventral or hiatal hernia repair as suture line reinforcement. 4. An expected scored Grade 1 or Grade 2 using the Ventral Hernia Working Group Grading system. 5. Willing to provide informed consent and comply with follow-up requirements. Pre-procedure

The subject is / has: 1. Treated in another drug or medical device study within 1 year of study enrollment. 2. Implanted with GORE® ENFORM Biomaterial in the reconstruction of cardiovascular defects. 3. Hernia repair expected to be performed as part of a bridged procedure (i.e., expected inability to perform primary closure of fascia or crura, patients requiring permanent support from the device). 4. A BMI >40. 5. Evidence of a systemic infection. 6. Cirrhosis or undergoing dialysis. 7. A wound-healing disorder. 8. Immunocompromised such as, with HIV or transplant, or receiving chemo or radiation therapy. 9. Expected to undergo mesh implantation in conjunction with any bariatric procedure and / or panniculectomy procedure. 10. A stoma. 11. Co-morbid conditions that may limit their ability to comply with study and follow-up requirements. 12. Positive pregnancy or lactation status as confirmed by site standard of care. 13. Hernias requiring treatment within multiple body regions or expected use of multiple hernia mesh devices. Post-procedure Inclusion Criteria At the time of index procedure, the subject is / has: 1. At least 18 years old. Minimum age required by state regulations (as applicable). 2. Implanted with GORE® ENFORM Biomaterial for a single site ventral or hiatal hernia repair as suture-line reinforcement on or before 365 days prior to site protocol amendment 3 approval date. 3. Unless there is an Informed Consent waiver issued by the Institutional Review Board (IRB), an Informed Consent Form (ICF) signed by subject. Post-procedure Exclusion Criteria At the time of index procedure, the subject is / has: 1. Treated in another drug or medical device study within 1 year of study enrollment. 2. Implanted with GORE® ENFORM Biomaterial in the reconstruction of cardiovascular defects. 3. Hernia repair that was performed as part of a bridged procedure (i.e., inability to perform primary closure of fascia or crura, patients requiring permanent support from the device). 4. A BMI >40. 5. Evidence of a systemic infection. 6. Cirrhosis or undergoing dialysis. 7. A wound-healing disorder. 8. Immunocompromised such as, with HIV or transplant, or receiving chemo or radiation therapy. 9. Underwent mesh implantation in conjunction with any bariatric procedure and / or panniculectomy procedure. 10. A stoma. 11. Co-morbid conditions that may limit their ability to comply with study and follow-up requirements. 12. Positive pregnancy or lactation status as confirmed by site standard of care. 13. Hernias requiring treatment within multiple body regions or expected use of multiple hernia mesh devices.