Known as the World's most comfortable shoe. The Allbirds Tree Breezers Slip On Ballet Flats in Black are designed for casual comfort with a slip-on style and round toe shape. Made with knit fabric and featuring a wool lining, these flats offer a comfortable fit suitable for year-round wear. The rubber outsole provides traction, making them ideal for various occasions in all seasons. Allbirds is a popular brand known for their sustainable and stylish footwear, and these Tree Breezers are a classic and versatile addition to any woman's shoe collection. Length Heel to Toe 9.5"