Inclusion Criteria:  Male and female patients aged 18-40 years Hip pain lasting 6 months or more with no relief from documented non-operative modalities Cam, Pincer, or Mixed FAI Focal articular cartilage defects of the acetabulum on MRI, confirmed to be full thickness (International Cartilage Regeneration and Joint Preservation Society (ICRS) grade 3 or 4) during arthroscopic examination Focal acetabular articular cartilage lesions measuring between 1x1 cm2 and 5x5 cm2 on MRI and confirmed on arthroscopic examination Patient agrees to participate in the study-specific postoperative rehabilitation protocol Patient can speak, read, and understand the language of the site Patient has provided informed consent  Exclusion Criteria:  Cartilage defects of the femoral head Previous surgery on the study hip Traumatic chondral injury of the hip from a single event Presence of advanced osteoarthritis (Tonnis grade 2 or 3) Known hypersensitivity or allergy to hyaluronate Evidence of hip dysplasia (i.e. lateral centre edge angle < 20˚) Evidence of acetabular over coverage such as coxa profunda or coxa protrusion Immunosuppressive or anti-proliferative medication use Chronic pain syndromes Significant medical co-morbidities (requiring assistance for activities of daily living (ADLs)) History of paediatric hip disease Uncontrolled diabetes Contraindications to MRI imaging (e.g. claustrophobia) Patient is involved in ongoing legal or workplace claims Patient is incarcerated Patient who will likely have problems, in the judgement of the investigator, with maintaining follow-up