Measure around the fullest part of your chest and around your waist, then use the measurements below to select your size. Consider the layers you expect to wear underneath the jacket when choosing your size.
Chest
XXS: 84–89cm / 33–35in
XS: 89–94cm / 35–37in
Small: 94–99cm / 37–39in
Medium: 99–105cm / 39–41in
Large: 105–112cm / 41–44in
XL: 112–120cm / 44–47in
Waist
XXS: 65–70cm / 26–28in
XS: 70–75cm / 28–30in
Small: 75–80cm / 30–31in
Medium: 80–87cm / 31–34in
Large: 87–95cm / 34–37in
XL: 95–104cm / 37–41in