Man therefore gets his vitamin A by eating plants which are rich in carotenes or by eating those parts of domestic animals which are rich in the vitamin itself: liver, butter and cream from milk; egg yolk; and cod-liver oil.
If the vamp is too loose, your heel may slip out of the shoe, while a vamp that is too tight can cause toe pain or numbness. Counter. The heel counter is the back of the shoe that holds the heel in place. A stiff counter offers greater heel control and stability.
Best For: Fast Walking. This shoe has a superflexible toe that makes it easy to push off and quicken your pace. But no matter how fast you go, the ankle padding will keep your heel snugly in place. My foot didn't budge, even in thin socks, reports tester Jessica Branch, 45, of New York City.