Footwear
device · 40000 BC · Stone Age
Protection for the foot.
What it is made of
- Shoe upper — has part. The upper blank.
- Rubber shoe sole — has part. The sole.
- Insole — has part. An inner lining.
- Shoe heel — has part. A heel.
Principles and materials it uses
- Leather — is made of. Leather.
- Vulcanized rubber — is made of. A rubber sole.
- Plant fibre — is made of. The oldest sandals (Fort Rock) were woven from sagebrush bark.
What it is a kind of
- Trainers — includes. Footwear.
- Wellington boots — includes. Footwear.