Men's Birkenstock Arizona Velvet Outdoor Sandals The Men's Birkenstock Arizona Velvet Outdoor Sandals bring a luxurious twist to a timeless silhouette. Crafted with soft velvet straps and signature adjustable buckles, this open-toe sandal delivers secure comfort with every step. The anatomically shaped footbed molds to your foot over time, while the grippy outdoor-ready sole ensures stable footing across casual trails or everyday wear.