This is the 2371st most frequent Russian word.
обувь
Footwear.
Here, "обувь" is used in a general sense to refer to footwear, specifically new running shoes in this context.
Я купил новую обувь для бега.
I bought new shoes for running.
In this sentence, "обувь" is used to denote various types of footwear available in a store.
Магазин предлагает широкий выбор обуви для всех возрастов.
The store offers a wide range of footwear for all ages.
Here, "обувь" refers to shoes or footwear that are to be removed typically for cultural or cleanliness reasons.