Size Guide :
1. We strongly recommend to choose 2 size up your regular size if necessary or follow below size chart.
2. Below are suggested size guide for slim or loose fit :
Size S: Chest - 34''-36'' ( slim fit) or 34''-35'' ( loose fit) ;
Size M: Chest - 36''-37'' ( slim fit) or 35''-36'' ( loose fit) ;
Size L: Chest - 38''-39'' ( slim fit) or 36''-38'' ( loose fit) ;
Size XL: Chest - 39''-40'' ( slim fit) or 38''-39'' ( loose fit) ;
Size 2XL: Chest - 40''-42'' ( slim fit) or 39''-41'' ( loose fit) ;
Size 3XL: Chest - 42''-44'' ( slim fit) or 41''-43'' ( loose fit) ;
3. If not sure your chest measurment, please follow one size up than your regular size for slim fit or tight fit.
4. If not sure your chest measurment, please follow two size up than your regular size for loose fit.