planned armour provided by a full set, toughness
line break after each progression tier

leather: 8
lapis: 10

bronze: 12

chainmail: 12
iron: 15
gold: 11

gem gear: 12, 4
osmium: 14, 2, some knockback resist

steel: 16, 6
diamond: 20, 8

netherite: 20, 12, knockback resist, freeze immune

refined glowstone: 15, 3, freeze immune
refined obsidian: 20, 8, knockback resist (more than netherite)

mekasuit: 24, 12, some knockback resist, has upgrades and uses RF instead of durability