Outdoor Shoes are intended for the play of outdoor sports or outdoor recreation. Outdoor shoes are designed to handle rugged terrain and are suitable for heavy outdoor use. Outdoor Shoes may include (but are not limited to): Water Shoes, Hiking Shoes and Hunting Boots.
About Plastic:
Plastic is a term generally used to describe synthetic solid materials made from organic polymers which are easily modeled and shaped during the manufacturing process to create a wide variety of shapes and densities.