Can be used for longer periods of time, due to lighter weight. Smaller, therefore easier for your opponent to get around. Tend to wear out fairly quickly from constant pounding. In war situations, tend to get you killed due to smaller size. War shields have no size restrictions and are of many different shapes and materials.
Materials range from curved plywood, flat ply wood, plastic, or metals.
Sizes are usually measured to fit each individual fighter tastes. They too cover from eye slot to knee. These shields covered two men during attacks on fortified positions. Attached brace poles on the back make this shield free standing. Horned War Shield is another war shape that is popular.