SAS Women’s Nudu NavySAS Womens Nudu Navy The SAS Women's Nudu Navy offers sleek comfort and adjustability perfect for all day wear. The adjustable straps provide customizable comfort while the cushion contoured insole and soft cushioned lining offer necessary support and comfort. Plus, a shock absorbing sole ensures each stride is supported. Adjustable Buckle & Hook & Loop Closure: Hook and loop design along with a buckle detail provides adjustability throughout the day.