Patagonia's Japan Website (Patagonia.JP) provides Garment Measurements that are Omitted on the USA Website. They aren't exact measurements (there's a disclaimer) but the measurements are close and can be helpful for sizing. :
Patagonia Adult Fitted Better Sweater Jacket Chicory Red
Patagonia Fishing Clothing Size Guide
PATAGONIA – SIZE CHART Men's Clothing
Patagonia Women's Jackets for sale in Rancho Llano Seco, California | Facebook Marketplace | Facebook
West Coast Surf Shop Size Charts
Patagonia Silent Down Jacket Review | Switchback Travel