Naturism, or nudity in a natural setting, has gained popularity worldwide, including in Russia. While I couldn't find specific information on "portable" aspects, I can share that many naturists enjoy outdoor activities such as hiking, swimming, and camping in their natural state.
Searching for the phrase "russian bare nudism portable" often leads to websites focused on and social nudism within Russian-speaking communities. These groups often emphasize a way of life in harmony with nature and communal nudity as a form of self-respect. fotos de russian bare nudism portable