Answer (1 of 4): A gambeson could greatly vary in it’s construction based on the material used, the quality of the work, and the precise time period it was made in. In terms of thickness, you could probably expect no less than a centimeter of material throughout the garment, but thicknesses up to
internal consistency - Effectiveness of an armour made of woven
Medieval Thick Padded Full Sleeves Gambeson Coat
How thick and heavy were the gambesons or padded armours that were
How well did medieval heavy metal armor work against different
Is it necessary to put a gambeson under a plate armor (head
How thick and heavy were the gambesons or padded armours that were
How protective was a gambeson, or similar form of textile armor
How thick and heavy were the gambesons or padded armours that were
Chain Mail Shirt Medium 10 mm Flat Riveted with Washer