The Walk Slim Gia is a revolution in walking sneakers. Gia combines the same contour, support and comfort of a Vionic walking sneaker, with a sleek, low-profile casual shoe.a secure, adjustable hook and loop cross strap ensures the best fit.Gia supports full body balance and well-being with the built-in Vio Motion Technology footbed featuring contoured arch support, shock-absorbing cushioning, and deep heel cup to provide stability, and forefoot flexibility.