Kelly's Cork Renew is a cork sealent that will prolong the life of your cork footbeds by keeping out the moisture. Drys clear and comes with an applicator brush for easy use. This is highly recommended for Birkenstock, and will help keep the cork from crumbling or drying out.
If you'd like to add Cork Renew to a Birkenstock order, please contact us at orders@herbertsboots.com, and we can make it available to purchase.