Birkenstock BirkoClassic Arch Support Insoles Width:Narrow 6 oz (Size #40: Women's

6 oz (Size #40: Women's 10 / Men's 7)

this product has been renamed to the Spenco Gel Comfort + Support Insole

Additional gel strike padding under the ball-of-foot rounds out the insole in terms of ensuring that your foot has shock absorption where it needs it most

For this product with a wool top cover

Birkenstock BirkoClassic Arch Support Insoles Width:Narrow 6 oz (Size #40: Women'sProduct Details Overview: The Birkenstock Birko Classic Arch Support Insoles are a 3 4 length, rigid orthotic that is designed for all arch types. They feature a deep heel cup for natural cushioning and shock absorption, a natural contoured arch support for longitudinal medial arch support, and a metatarsal support with a gentle raised platform for raising toes into the natural position. The Birkenstock Birko Classic Arch Support Footbeds are