I should have noticed this before! Could I have it, please? It's a Gore Paclite jacket - Gore is the brand, Goretex is the fabric.
EDIT: never mind, I usually take a medium but their sizing is on the small side:
SIZE
CHEST
ARM LENGTH
S
84–89
77
M
90–95
78.5
L
96–101
80
XL
102–108
81.5...