This item is part of our legacy sizing.  Please reference this size chart.
https://kasteldenmark.com/pages/legacy-size-chart
 
UPF 30 ultra-violet protection (Learn more about UPF)
Breathable lightweight fabric of 88% nylon/12% spandex
Quarter-zip neckline
Antibacterial odor reduction
Cooling mesh inner sleeves
Fitted wrist
Available in Ladies XS, S, M, L, XL, XXL