Hope’s Bastion- This costume is only available to you right now if you had pre-ordered through Amazon. It provides a boost to all charged bow shots and comes with a Wreckoner Battle Axe skin to complete the look.
Apex Predator- This outfit is only available to you if you pre-ordered from GameStop. The Apex Predator outfit comes with a perk that reduces all damage received from animals. You also get the Python Hand Cannon which packs more than enough stopping power.
Remnant- Only a few retailers provided this particular pack. It included the Remnant outfit, the Matte Ebony Magnum skin for your revolver, and a Bullet Resistance card. The outfit itself had a chance to not waste resources when healing.
Sparrowhawk- This outfits was available exclusively through Best Buy and came with a White Wood Recurve Bow skin. The outfit increases Lara’s hunting ability. It also came with a Master Hunter card that makes Lara deal double damage and receive double resources from animals.
Leather Jacket– You’ll earn this right after your first flashback cutscene.
Desert Tank- Unlocked in Syria.
Expedition Jacket- Unlocked at the start of your adventure in Siberia.
Gray Henly- Unlocked after completing the Gulag.
Remnant Jacket- Unlocked during your time in the Soviet Installation section of the game.
Commando- You can purchase this one right from the supply shack near the Communications Tower camp in the Soviet Installation for 50 coins.
Infiltrator- Unlocked after the Unlucky Ones mission. You can obtain this mission from the same guy that gives you the Lock Pick. Just go to him after completing that quest.
Huntress- You must complete two missions for the woman that you encounter in the southern part of Geothermal Valley.
Battle Worn- Complete the Defensive Strategy Mission (located in the Geothermal Valley).
Dark Aegis- Unlocked after you finish the Ancient Secrets mission. You can obtain this side mission from the herbalist located in the Geothermal Valley.
There you have it, every unlockable outfit in Rise of the Tomb Raider. Do you have a favorite? Feel free to let us know in the comments below.