Birkenstock Birko Balance Arch Support Insoles Arch Supports Based on Cobian's ARV 2

Based on Cobian's ARV 2 footbed

this footbed is best worn in tight-fitting footwear such as cycling shoes

When a child is born

This product was previously part of the New Balance insoles product line and was called the New Balance IUAS3810 Ultra Arch Support Insole

Birkenstock Birko Balance Arch Support Insoles Arch Supports Based on Cobian's ARV 2Overview The Birkenstock Birko Balance Insoles are a 3 4 length, rigid cork orthotic insole that offer firm support for those with neutral and high arched feet. The cork base provides a combination of firm arch support, low impact metatarsal support, and a deep heel cradle, while the cork itself provides natural shock absorption and foot support. The bottom of the insole is moleskin lined cork while the top is lined with genuine leather. For those