Normally leather was used for boots.
The cost (obviously) and the material used to make them.
GorTex is probably the most well known of the winter boots materials. It is a light-weight waterproof material that makes it an excellent choice for winter boots.
Cheap Emu Boots can be made out of different kinds of materials. This depends on the type of boot but some examples are cheap fur, cheap and non real leather and others.
There are many places to buy cheap women's riding boots. If second hand boots are acceptable, Ebay could be used as a cheap place to find them. Alternatively, Amazon sell riding boots. It may also be worth looking at your local stables as they sometimes have boots for sale.
it is a light and durable material, which is also why it is used to make aircraft. it is also quite cheap compared to other products.
Lead is used in diving boots to provide weight and counteract the buoyancy of the diver's wetsuit and equipment, allowing for easier maneuverability and control underwater. Lead is a dense material that can easily be shaped to fit into pockets in the boots without adding too much bulk.
Plywood.
Look around your home and you will be surprised how many items can be used for craft ideas e.g Cardboard, paper, material
Calf skin is the most common material used for making cowboy boots. And as long as you take care of them, such as using a water protectant, they should last a long time.
Leather and the rubber soles that have been strengthened are what are used to make the Coleman boots.
Steel