These jerkins are made of soft flexible leather with shirting wool lining.
Actual measurements of Jerkin laid flat on table.
S :Chest 21 "Armpit to Armpit.
M:Chest 23 "Armpit to Armpit.
L:Chest 24.5 "Armpit to Armpit.
XL: Chest 26 "Armpit to Armpit.
XXL: Chest 28 "Armpit to Armpit.