How to measure soft armor panel size to make body armor vest by us? Our OEM bulletproof vest makes according to customize draw and its size chart. It is required to submit values from A to M of each size before ordering. How to choice size for end users of bulletproof vest? Style of Guodun Armor bulletproof vests Protect area of Guodun Armor bulletproof vests Reference weight of Guodun Armor bulletproof vests