Short answer
Sometimes, but the possible changes depend on the coat’s construction, fabric, fit and available seam allowance. Ask an alterations tailor to inspect the coat in person and explain the likely result, cost and risks before approving work.
How much smaller can alterations go?+
There is no reliable size-based rule for every garment. The tailor needs to inspect its seams, lining, pockets and proportions to say which changes are feasible.
Answer reviewed by Bonturberg Editorial Review and dated 2026-09-08. For a question not covered here, write to sales@bonturberg.com with the garment, city or order details that would help us answer.