The Alda has a luxurious look, with a vamp finished with a two-toned metal chain, anchored with our signature “V” logo rivet. Firm yet flexible, the shoe has a removable microfiber-covered orthotic insert. Features Orthaheel Technology, a biomechanic orthotic footbed that naturally aligns your feet and may help to relieve heel pain by reducing over-pronation. APMA Seal of Acceptance. Received APMA Seal of Acceptance. Recommended by Dr. Andrew Weil. For the greatest comfort, we recommend wearing your new Vionic footwear for just a few hours for the first few days to allow your feet to adjust to the new level of orthotic comfort and support. Within one to two weeks you should find the product completely comfortable and supportive.