Birkenstock's QO 400 delivers timeless comfort through its signature contoured footbed, engineered to support your arch and distribute pressure evenly across your foot. Crafted from premium natural leather, this unisex style develops a personalized fit with wear while maintaining durability. The lightweight construction and breathable materials make it i for all-day wear, whether navigating daily errands or casual outings. Black's versatility pairs effortlessly with any wardrobe, from minimalist basics to relaxed weekend looks. A choice for those prioritizing foot health without compromising on style.