Alpinestars Women's SMX Air Riding Jacket - Black / White / Red FluoAlpinestars Women's SMX Air Riding Jacket The Stella SMX Air Jacket features a main chassis constructed from mesh on the riders abdomen, back, and inner arms, paired with 450D polyfabric reinforcement on the outer arms and shoulders. The Stella SMX Air also incorporates perforated 450D polyfabric on the upper chest for excellent levels of airflow during the warm, summer riding months. Extended polyamide stretch material has been incorporated on the