Armor customization (Halo 4)/Legs

Legs
Legs	Unlock (Halo 4)	Unlock (Halo: The Master Chief Collection)	Skins	Unlock (Halo 4)	Unlock (Halo: The Master Chief Collection)
Contoured	SR-40	Unlocked by default on Season 4 update	SHRD	Complete Payback Commendation	Unlocked by default on Season 4 update
FOTUS	Buying Halo 4 Limited Edition Console	Unlocked by default	N/A
LG-50 Bulk	SR-23	Unlocked by default on Season 4 update	PULS	Pre-order Halo 4 from Microsoft	Unlocked by default on Season 4 update
			CLMN	Buying the Champions Bundle	Unlocked by default on Season 4 update
Mark V	Buying the Infinity Armor Pack or the Champions Bundle	Season 7, Tier 45 ( 1)	N/A
Mark VI	Complete Legend Commendation	Unlocked by default	N/A
ODST	Buying the Infinity Armor Pack or the Champions Bundle	Season 7, Tier 94 ( 1)	N/A
Outer-plated	SR-31	Unlocked by default on Season 4 update	CRCT	Pre-order Halo 4 from Walmart	Unlocked by default on Season 4 update
			TOXC	Buying the Spartan Scout figure from McFarlane Toys' Halo 4 Series 2	Unlocked by default on Season 4 update
Over-locking	SR-49	Unlocked by default on Season 4 update	WEB	Pre-order Halo 4 from Amazon.com	Unlocked by default on Season 4 update
Prefect	Buying the Infinity Armor Pack or the Champions Bundle	Season 7, Tier 64 ( 1)	N/A
Recruit	Unlocked by default	Unlocked by default	TIGR	Complete Exterminator Commendation	Unlocked by default on Season 4 update
RG-63 Counter	SR-10	Unlocked by default on Season 4 update	PRME	Buying Halo 4 Limited Edition	Unlocked by default on Season 4 update
			FRST	Pre-order Halo 4 from Gamestop	Unlocked by default on Season 4 update
Ricochet	Buying the Bullseye Pack or the Champions Bundle	Season 7, Tier 57 ( 1)	N/A
XG-89 Narrow	SR-35	Pre-order Halo 4 from Best Buy	RPTR	Pre-order Halo 4 from Walmart	Unlocked by default on Season 4 update
			BYNT	Buying the Champions Bundle	Unlocked by default on Season 4 update
			RFCT	Buying the Didact figure from McFarlane Toys' Halo 4 Series 2	Unlocked by default on Season 4 update