vedenkestävämpää
vedenkestävämpää is the comparative form of the Finnish word "vedenkestävä," which translates to "waterproof" or "water-resistant." The suffix "-mpi" indicates a comparative degree, meaning "more waterproof" or "more water-resistant." Therefore, "vedenkestävämpää" is used when comparing two or more items or substances and describing one as having a greater degree of water resistance than another.
For instance, if one fabric is rated for a higher water pressure than another, one might say