This interesting reference is taken from the V&A website:

Approximately measurements: Standard sleeve length 35in from centre back to cuff

100% pure cotton

This turndown collar has gently curved points and was a popular shape in 1920-30's

Chest up to 43in

Fur Felt Trilby Hat (HA118) Hat size:X Large This interesting reference is takenThis style has been discontinued and our closest match is HA117. Fur felt is used in making these superior classic trilbies. The brim is a generous 7cm wide. They are manufactured in England Sizes: Small 55 cm Medium 57cm Large 59 cm XLarge 61cm Due to the bulky size of these hats we may have to charge additional postage for overseas customers. We will contact you directly once we receive your order if this is the case. Approximate measurements: Crown