Made with a breathable and water-resistant knit fabric, these black boots offer both style and practicality. The rubber outsole provides added traction, while the synthetic upper material ensures durability. With a focus on comfort and a trendy Chelsea style, these Vivaia boots are a versatile addition to any woman's wardrobe. The VIVAIA Black Ryan Square Toe Slip-On Knit Chelsea Boots are a stylish and comfortable choice for women in US size 9 and EU size 40. Featuring a square toe shape, pull-on closure, and low block heel, these ankle boots are perfect for casual occasions in the fall, winter, and spring seasons.