a total out of point post.

This is for WEE XIN YI:D

High quality materials and unique construction give durable comfort and long lasting good looks. The concept of Birkenstock is easily understood when one considers the design of our feet and the mechanics of walking.

Each contour in a Birkenstock footbed is precisely placed to stretch, flex and move naturally. Your feet benefit from free movement, constant exercise and improved circulation, resulting in long lasting comfort and better health.

1. Deep Heel Cup

Gives the foot a firm hold and maintains the heel profile.

2. Cork Latex Footbed

Extremely flexible. Providing a uniquely high level of wearing comfort.

3. Suede leather cover

Creates a healthy climate around the foot.

4. Cross support from the arch

Helps shift pressure from the middle to the front of the foot.

5. Toe gripper

Steers the toes. Promoting the natural rolling movement of the foot.

6. Footbed Edging

Deliberately elevated to protect the toes.

This information does not belong to me. it is taken from : http://www.birkenstock.co.uk/index.php?m=construction&a=anatomy , i do not own anything.