Delight in VIONIC Carmela Thongs and slip into these toe-post loop sandal with just enough coverage and an adjustable hook-loop strap-wrapped footbed designed for optimal comfort. Designed with exclusive alignment technology to balance the whole you. Crafted from premium leather upper materials. Durable rubber outsole designed to withstand everyday wear. Comfortable toe post loop that ensures comfort without irritation. Lightweight, flexible EVA midsole absorbs shock, reducing stress on feet, ankles, and knees. Vionic Technology is biomechanically designed to hug your arches and support your feet in comfort. Vionic sandals' built-in orthotic is shown to be effective in helping to treat heel pain caused by plantar fasciitis or achilles tendonitis. Built-in VIO MOTION Technology footbed featuring contoured arch support, with shock-absorbing cushioning, deep heel cup to provide stability, and forefoot flexibility. 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. Polyurethane lining. Ethylene Vinyl Acetate insole. Round toe silhouette.