Armor permutations (Halo: Reach)/Knee

Knee guards
Knee guard	Unlock (Halo: Reach)	Unlock (Halo: The Master Chief Collection)
Default	0 cR - Default	Unlocked by default
FJ/PARA	Recruit, 10,000 cR	Season 1 Tier 33, 1
GUNGNIR	Captain, 25,000 cR	Season 1 Tier 48, 1
Grenadier	Major, 45,000 cR	Season 1 Tier 64, 1