Shirt/Jacket from the British Colonial Royal Hong Kong Police.

Retired summer uniform: A short-sleeved olive green tunic-style tropical field shirt, and olive green trousers worn with a black Sam Browne belt with shoulder strap. Female officers wore a short-sleeved beige shirt with a knee-length skirt until the mid 1990s when they were given the same uniform as male officers (without the shoulder strap). Bermuda shorts were worn by male officers instead of trousers from the early 20th century until the 1970s.

Sizing is chest size in inches Armpit to Armpit
Please note that these are a very slim fit

5XS - 28"
4XS - 30"
3XS - 32"
2XS - 34"
XS   - 36"
S      - 38"
M     - 40"
L      - 42"
XL   - 44"
2XL - 46"

Please note: as these are used surplus and will have wear and tear from use.  The may have stains and repairs, but these are all part and parcel of surplus with genuine patina.  There will be some colour, quality and style variation to the image shown as every item is different. 

Most stock is missing buttons and is damaged in some way.
All stock is stamped US (unserviceable) on the inside.  In most cases this stamp is visable on the outside.