Birkenstock Boston Wool Felt in Anthracite

This Boston comes with a high-quality woolen felt. The clog can be adapted to all feet thanks to a strap on the upper edge of the shaft and a sturdy metal buckle.

Felt
• high quality wool felt is 100% natural
• pure breathable wool

Footbed
• pronounced arch support 
• deep heel cup 
• roomy toe box
• molds and shapes to your foot

Sole material
• EVA 
• flexible
• lightweight
• durable and shock absorbing