I use caps that fit over the front of any hoods that I use. No one promotes this, but often a larger cap size will fit in the front of a hood. This is a lot better than having to unscrew a hood each time, and the round cap inside the front of the hood helps keep the hood from getting bangs in a bag.
Quick Answer. Lean black bears can run at speeds of up to 30 or 35 miles per hour. Black bears are very agile, excellent swimmers and climbers, and can run uphill and downhill. Keep Learning.
polar bears are considered to be marine mammals. A polar bear's front paws propel them through the water dog-paddle style. The hind feet and legs are held flat and are used as rudders. A thick layer of fat, up to 11 cm (4.3 in.) thick, keeps the polar bear warm while swimming in cold water. Polar bears can obtain a swimming speed of 10 kph (6.2 mph). A polar bear's nostrils close when under water.