FMI noted that the composite winglet and sharklet structures for fuel burn optimization market was valued at USD 1.5 billion in 2025. Sales are projected to reach USD 1.6 billion in 2026 and USD 3.30 billion by 2036. By platform, narrowbody aircraft are expected to account for 52.0% share in 2026. OEM line-fit is expected to remain the leading fit segment through 2036.