All-weather

an all-weather tire

She is popular with passengers as an all-weather vessel, but rather the reverse with yachtsmen as she has at times proved somewhat unwieldy, and certainly takes up a good deal of space in the narrow channels.

For China the Aksai Chin serves as a necessary communications link; an all-weather road system goes through there.

It could be argued that many of the counties struggling to run an all-weather service are the same ones already suffering from under-investment, crumbling infrastructure, congestion, and poor reliability.

an all-weather friend