Their white fur helps them to hide, or stay safe in the snow.a polar bear has a layer of fat to keep its self worm.their large paws helps them to swim for hundreds and hung reads of miles in the freezing cold water.On their more fur grows every day, so thier paws aren’t cold. Underneath the polar bears fur thier skin is black. Their big powerful body’s help them to dig through the cold, icy snow also ice.