The Vivaia Ryan Slip-On Ankle Boots are designed for women in a versatile black color, featuring a square toe shape and a block heel style. These boots, in size US 10.5 and EU 41.5, offer a comfortable fit with a standard shoe width and regular calf width. They are made of breathable knit fabric with a water-resistant feature, making them suitable for various occasions like travel, parties, work, and more. The slip-on style and ankle shaft design add convenience and style to these fashionable and functional boots.