This waistcoat is tailored fit, If you are relatively slim person normal size will fit, if you're a little larger around the stomach then it would be advisable to go a size larger than normal Stylish XPOSED Cotton Blend Waistcoat in premium Herringbone and Tweed Fabric with ...This waistcoat is tailored fit, If you are relatively slim person normal size will fit, if you're a little larger around the stomach then it would be advisable to go a size larger than normal Stylish XPOSED Cotton Blend Waistcoat in premium Herringbone and Tweed Fabric with Contemporary Checks Classic Double Breasted with Low Cut Front Adjustable sides ensures comfortable fit with Satin back AMZCH-UWC-JARVIS-7250-5