<b>Performance differences.</b> All backpacks Consumer Reports tested were sturdy enough to withstand daily abuse or a tug-of-war at the bus stop. Water-resistance varies. Most did a good job of withstanding the test-lab equivalent of a 5-minute shower.

In 1966, two avid hikers in San Francisco founded a small mountaineering retail store supplies, and soon grow up to become a skilled store in selling mountain climbing and trekking equipment. The reason to named it as The North Face is that the hill of north slope is the coldest and deepest snow. The North Face setted up to plan and manufactured its own brands' items in 1968 and in the late 80s it has become the leader in the US who falls in the line of producing jacket, ski clothes, backpacks, tents and a chain of outside products.

Herbalife's Scientific Advisory Board is chaired by David Heber, M.D. Ph.D, F.A.C.P., F.A.C.N., who is professor of medicine and public health and the founding director of the Center for Human Nutrition in the Department of Medicine at UCLA.