Nubuk: leather cut on the chest, a material similar to suede, but more durable and thicker, wear-resistant, comfortable to touch with a gentle texture.
Synthetics: unlike textile, synthetic fibers are stronger, more durable and quick-drying.
Footbed
Microfiber
Insole width
Regular
Sole
Rubber: a material that is very easy to maintain and you will appreciate it especially in rainy weather.