The Birkenstock Papillio Arizona sandal in Metallic Stones Black is a stylish and comfortable option for women size 38. With a strappy design, adjustable buckle strap, and leather outsole, these sandals are perfect for travel, activewear, or casual occasions during the summer, fall, or spring seasons. The addition of metallic stones adds a touch of glam to the gray color with silver accents, making them a fashionable choice for women looking for both style and comfort in their footwear.