Cortosis weave was a rare, energy-resistant mesh that some armorers shaped cortosis ore into. Cortosis weave made armor nearly impervious to penetration by energy weapons, including not just blasters, but also lightsabers. Even if cortosis ore wasn't available, other substances like Mandalorian iron, phrik alloy, and ultrachrome had similar effects if properly treated, though they tended to add considerably more weight to a suit of armor than cortosis weave.^[1]

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Sources[]

• No Disintegrations (First mentioned)
• Gadgets and Gear

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