Birkenstock's Siena Vintage Leather in black delivers timeless comfort with authentic craftsmanship. This unisex silhouette features supple vintage leather that develops character with wear, paired with Birkenstock's signature contoured footbed for arch support and natural alignment. The minimalist design transitions seamlessly from casual everyday wear to relaxed social settings. Durable construction and quality materials ensure lasting wear, while the classic black colorway complements any wardrobe. A versatile essential for those who prioritize both style and foot health.