All Koy Shirts are a Classic fit. The shirts are designed for smart-casual wear, so the top button will rarely be done up. Therefore, if you require a slimmer fit, we recommend purchasing a size down from your actual neck measurement.
Polos are a slim fit. However, as they are elasticated they are more flexible than a shirt, so we recommend to go with your standard size:
Please bear in mind that people come in many different shapes and sizes, therefore these recommendations may not apply to every individual. However, if you purchase an item of clothing which does not fit to your satisfaction it can be exchanged for another size, or a full refund will be given as long as it is returned within 60 days (Click here to see full returns policy).