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This is a doublet or corslet of stiff, quite thick leather like saddle leather. It is fairly rigid and restricts movement similarly to an iron cuirass, but is much lighter. It is not very efficient armor and offers only limited protection, there is little evidence of this type of armor being used in Europe, but it’s better than nothing. (Leather armor of this type may have sometimes been used in Central Asia)

This is simply a brigandine vest (see Brigandine Doublet) worn over a heavy gambeson (see Gambeson and Helm), and a full helmet. This is medium weight, reasonably light armor which provides good coverage and pretty good overall protection.

The first row represents the protective quality of the helmet or the brigandine and the gambeson, the second row represents the protective quality of the gambeson alone. See Armor Table Key, Layered armors for more about how this works.