An extra cushion layer in this dressier style makes it perfect for people with sensitive feet. The cork footbed is contoured to support all your arches and prBirki Tahiti Taupe Velour with Soft Footbed Sandals:Two slender straps with fully adjustable buckles Birko-Flor upper is made of acrylic and polyamide felt fibers for a fabric with a smooth, leather-like finish Footbed features toe bar, deep heel cup and contours for orthopedic support that improves posture and alignment Soft footbed features a layer of latex inserted just beneath the footbed liner of Birki's original cork and jute footbed EVA sole is flexible, durable, lightweight, and shock resistant Sole and footbed are completely replaceable. So when they wear out, we can replace them for you, giving your Birkenstocks a whole new life! ovides a comfortable fit. Soles are lightweight, durable and can be replaced.