Aloy's undergarments are an outfit in Horizon Zero Dawn. They cannot be selected from the inventory, but are occasionally worn during mandatory segments of the Main Quest. While in her undergarments, Aloy cannot access her weapons, inventory, or Focus.

Unique Outcast - Shield-Weaver - Undergarments
Banuk Banuk Ice Hunter - Banuk Sickness Eater - Banuk Trailblazer - Banuk Werak FW
Carja Carja Blazon - Carja Silks - Carja Storm Ranger
Nora Nora Brave - Nora Lookout - Nora Protector - Nora Silent Hunter - Nora Survivor
Oseram Oseram Arrow Breaker - Oseram Sparkworker
Shadow Carja Shadow Stalwart