: Reach your arms forward as if hugging someone; if you feel extreme restriction in the back or shoulders, you need a larger size.
: If you plan to wear the coat only over thin layers like a t-shirt or a dress shirt for a modern, slim look, consider buying one size smaller than your suit size.
: You should be able to button the coat comfortably without any pulling or tension across the chest. what size overcoat should i buy
: The sleeves should completely cover your suit jacket and shirt cuffs, reaching about a half-inch past the wrist bone or grazing the top of your hand.
For an overcoat, you should typically buy the Manufacturers generally design overcoats with extra room (usually about 4 inches more than the tagged size) to accommodate layers like a suit or a heavy sweater underneath. Sizing Guidelines : Reach your arms forward as if hugging
: If you are between sizes, always round up . It is much easier for a tailor to take a coat in than to let one out if it's too tight. Critical Fit Checkpoints
: A classic overcoat should fall at or slightly below the knee. Shorter styles (topcoats) usually end mid-thigh. sizing an overcoat/topcoat - Ask Andy About Clothes : The sleeves should completely cover your suit
To ensure you have the right size, check these specific areas while wearing your heaviest expected layer (like a blazer):