15 is the way to go. you are right on track. if you get really bad snow and ice, get Nokian tyres.
Hakkapeliitta WR - Nokian's next generation "All Season Plus" utilizing "Rubber Stud" technology.
Hakkapeliitta NRW - The original "All Season Plus" tire. Excellent for year round use.
Hakkapeliitta Q - Studless winter tire replaced by the RSi in most sizes.
Hakkapeliitta 2 (this is the real deal) - With thousands of biting edges and studable tread, this has superior ice traction.
Hakkapeliitta RSi - This "green" winter tire raises the bar for studless winter tires.
Hakkapeliitta WR - Nokian's next generation "All Season Plus" utilizing "Rubber Stud" technology.
Hakkapeliitta NRW - The original "All Season Plus" tire. Excellent for year round use.
Hakkapeliitta Q - Studless winter tire replaced by the RSi in most sizes.
Hakkapeliitta 2 (this is the real deal) - With thousands of biting edges and studable tread, this has superior ice traction.
Hakkapeliitta RSi - This "green" winter tire raises the bar for studless winter tires.