A fresh update to the Mary Jane flat, Alameda's clean lines, square toe, soft leather upper, and adjustable strap delivers both sophistication and comfort. Designed with exclusive alignment technology to balance the whole you. Premium upper materials. Durable synthetic outsole designed to withstand everyday wear. Lightweight EVA insert. Hook and loop adjustable strap. Built-in VIO MOTION Technology footbed featuring contoured arch support, with shock-absorbing cushioning, deep heel cup to provide stability, and forefoot flexibility. Vionic's flats include full underfoot contact to reduce pressure with every step. Helps alleviate heel pain caused by plantar fasciitis or achilles tendonitis. For optimal comfort, wear your new Vionic shoes for a few hours to let your feet adapt. Within 1-2 weeks, you should experience full orthotic comfort and support.