Provided is an adaptable protective device configured to include a portion of body to protect, including: a main casing impermeable to the passage of fluid, flexible and defining a main volume, the main casing being configured to be placed at least partially around the portion of body to protect so that the portion of body to protect is outside the main volume, the main casing defining an inner surface substantially in contact with the portion of body to protect and an outer surface not in contact with the portion of body to protect, an inner casing placed inside the main casing, permeable to the passage of fluid and flexible and including a plurality of filler particles, a first valve, configured to form or interrupt a connection for fluid passage between the main volume and the external environment, a closure casing impermeable to the passage of fluid, flexible and including sealing means configured to create a fluid seal between the closure casing and the portion of body to protect thereby forming a closed volume impermeable to the passage of fluid and including the main casing and the portion of body to protect.
