I would expect an archer on his first campaign to be in little more than a leather jerkin or gabison. After that he would proably start to add to his protection from battlefield looting, which would mean that as long as it was not high end armour or weapons that the nobility would be interested in he could have the pick of what was available. This would be a good reason for a looting system that gave what a defeated oponent has on him instead of a big bag of gold or what not that he was not likely to be carrying into battle.
yesterday at myarmoury:
Ordinances of Louis XI of France (1461-1483)
And first they must have for the said Jacks, 30, or at least 25 folds of cloth and a stag’s skin; those of 30, with the stag’s skin, being the best cloth that has been worn and rendered flexible, is best for this purpose, and these Jacks should be made in four quarters. The sleeves should be as strong as the body, with the exception of the leather, and the arm-hole of the sleeve must be large, which arm-hole should be placed near the collar, not on the bone of the shoulder, that it may be broad under the armpit and full under the arm, sufficiently ample and large on the sides below. The collar should be like the rest of the Jack, but not too high behind, to allow room for the sallet. This Jack should be laced in front, and under the opening must be a hanging piece [porte piece] of the same strength as the Jack itself. Thus the Jack will be secure and easy, provided that there be a doublet [pourpoint] without sleeves or collar, of two folds of cloth, that shall be only four fingers broad on the shoulder; to which doublet shall be attached the chausess. Thus shall the wearer float, as it were, within his jack and be at his ease; for never have been seen half a dozen men killed by stabs or arrow wounds in such Jacks, particularly if they be troops accustomed to fighting.
Dominic Mancini (1483): writing about the archers in Richard III’s army
They do not wear any metal armour on their breast nor any other part of their body, except for the better sort who have breastplates and suits of armour. Indeed, the common soldiery have more comfortable doublets that reach down below the loins and are stuffed with tow or some other material. They say that the softer the garment the better do they withstand the blows of arrows and swords, and besides that in summer they are lighter and in the winter they are more serviceable than iron.
Howard Household Accounts (mid 1400s):
I took to the doublet maker, to make me a doublet of fence; for every four quarters: 18 folds thick of white fustian, and 4 folds of linen cloth, and a fold of black fustian to put without.