Size chart: Assos size chart for the Mille GT Wind Vest C2 (scroll to Size & Fit on that page). Click on "What's my size?" next to the Assos sizes to use their fit calculator.
Unisex GT fit, sized 2XS to 3XL.
Assos sizing again. If you're between sizes, go up; it's meant to sit over a jersey. The retail equivalent is the Mille GT Wind Vest C2.
You can visit the Assos store on Regent Street to try sizes before you order.
Pre-order. Ships late February 2027.
The final manufactured design may be slightly modified, e.g. logo placement.