The ultra-comfortable Callas wedge sandals from Naturalizer are a warm-weather essential. New premium N5 Contour Technology, featuring a patented contoured foot-bed with superior arch and heel support, dual-density cushioning, a cool and breathable lining, lightweight materials, and flexibility that moves with you. Leather upper with an open toe, heel sling strap with adjustable hook-and-loop closure. Non-slip outsole for stability.