Lost Alpha Wiki

The "Sunrise-4" suit is an armour featured in S.T.A.L.K.E.R.: Lost Alpha.

Stalker suit made by craftsmen of the Zone. Being the heavy version of the "Sunrise-3" suit, it features medium-class body armor combined with rubberized plastic and Kevlar plates. Offers good protection against small arms. This is a good suit too take on a deep raid into the depths of the Zone
- PDA description, their spelling


  • Introduced in v1.4007.


Lost Alpha

  • Not available in Lost Alpha

Developer's Cut

List of upgrades
ID Icon Upgrade Description
Cost Effect Requirements
1A IconArmourUpgrade Stalker outfit 1.png Polycarbonate plates Polycarbonate plates can stop a pistol bullet, while weighing as little as a piece of ordinary plastic.
750 RU
  • Strengthening of vest 1st class
  • Explosion +10%

Tools for rough work (v1.4005+)

1C IconArmourUpgrade Stalker outfit 2.png Self-sealing layer A self-repairing armor layer helps the armor to compensate for bullet impact.
1600 RU
  • Impact +20%
  • Rupture +20%
1D IconArmourUpgrade Stalker outfit 4.png Backup layer of protective plates An additional, internal layer of plates protects the user, if the external one is damaged.
1600 RU

Suit durability +40%

1E IconArmourUpgrade Stalker outfit 3.png Scale ceramic armor The Scale system consists of tens of ceramic plates on top of each other, to provide excellent protection, even after receiving damage from bullets or shrapnel.
2500 RU
  • Strengthening of vest 1st class
  • Explosion +20%
2A IconArmourUpgrade Stalker outfit 5.png Lightweight, synthetic polymer materials To reduce the weight of the armor, fasteners and gaskets are replaced with ones made of lighter synthetic materials.
750 RU

Outfit weight -3 kg

Tools for rough work (v1.4005+)

2C IconArmourUpgrade Stalker outfit 6.png Magnesium inserts Magnesium inserts protect from extremely high temperatures.
1600 RU

Burn +20%

2D IconArmourUpgrade Stalker outfit 8.png Sealed polyethylene lining Dense polyethylene lining protects from poisonous substances and electrical shock.
1600 RU
  • Electric shock +20%
  • Chemical burn +20%
2E IconArmourUpgrade Stalker outfit 7.png Impregnated fabric costume Impregnated fabric prevents the poisoning of the body with harmful chemicals.
2400 RU

Chemical burn +30%

2F IconArmourUpgrade Stalker outfit 9.png Rubberized fabric suit Rubber provides basic protection from short-term radiation exposure.
2400 RU

Rad. protection +30%

3A IconArmourUpgrade Stalker outfit 10.png Oxygen cylinders Without oxygen cylinders, you can't survive for long in a polluted atmosphere, whether radioactive or chemical.
950 RU
  • Rad. protection +10%
  • Chemical burn +10%

Tools for rough work (v1.4005+)

3C IconArmourUpgrade Stalker outfit 13.png Load bearing mounting system This mounting system allows you to evenly distribute the load over the entire body.
2000 RU

Additional weight +10 kg

3E IconArmourUpgrade Stalker outfit 11.png "Custody" medical module A simple module for decontamination, tetanus prevention and stimulant injection. It is rather primitive, but doesn't leave lasting lacerations from its injections.
2500 RU

Health regeneration +2.5


  • Though the internal ID suggests the "Sunrise-4" suit is the successor of the Stalker suit in v1.4007, the description, the statistics and the kinship with the Ghost suit clearly indicate "Sunrise-3" suit is the logical successor.