Footbed material: Cork
Cork is a sustainable material extracted from the bark layer of the cork oak. This natural product is insulating and offers very good cushioning.
Details
https://www.birkenstock.com/gb/milton-kids-suede-leather/miltonhlkids-summerstridekids-suedeleather-0-thermorubber-b_302.html
BIRKENSTOCK SHOES FOOTBED
A LEGENDARY DESIGN
The footbed shown is the BIRKENSTOCK Shoes Standard Suede, which is found in most BIRKENSTOCK shoes with replaceable footbed.
DEEP HEEL CUP
Embeds the heel and keeps it firmly in its natural position.
MEDIAL LONGITUDINAL ARCH SUPPORT
Underpins the inner longitudinal arch of the foot and acts against lowering of the inner foot edge.
LATERAL LONGITUDINAL ARCH SUPPORT
Supports the outer longitudinal arch and improves the positioning of the midfoot and rear foot on the footbed.
TRANSVERSAL ARCH SUPPORT
Stabilizes the metatarsal bone and ensures that the foot has a naturally straight and solid stance.