varusteisiin
Varusteisiin is the illative plural form of the Finnish noun varusteet, meaning equipment or gear. It is used to denote movement toward or inclusion within a set of equipment, or to refer to the equipment used for a specific activity. In constructions describing what is needed or worn for a task, varusteisiin is often used after a modifier indicating the activity, for example: "Hiihtoretken varusteisiin kuuluu lämmin takki, vedenpitävät kengät ja reppu." The illative may also appear with verbs of dressing or equipping, as in "Hän pukeutui varusteisiin ennen maastopyöräilyä" or "Opas tarkisti, että varusteisiin kuului kaikki tarvittava." Note that the form is specific to plural; singular illative is "varusteeseen" and nominative is "varusteet."
In terms of meaning, varusteisiin aligns with other terms such as varustus (outfit, gear) or välineet (tools,
English equivalents can be translated as "into the equipment" or, in context, "the gear for," as in