Birkenstock's Madrid Big Buckle combines timeless design with luxurious comfort. Crafted from natural leather with plush shearling lining, this unisex sandal delivers warmth and softness underfoot. The signature anatomical footbed provides arch support and promotes proper alignment, while the adjustable big buckle strap ensures a customized fit. Durable construction and iconic styling make this a versatile choice for casual wear year-round. A wardrobe essential that balances heritage craftsmanship with everyday wearability.