Rothy’s The Square Mary Jane Deep Navy Sz 8.5 Deep Navy What’s both timeless and new? With its chic square toe and flexible strap, our incredibly comfortable flat in dark navy puts a fresh spin on the beloved Mary Jane. It took about 9 plastic bottles to knit these shoes. Learn more. DETAILS Soft, flexible upper in dark navy. No break-in period, ever. Features a slim, flexible strap in dark navy that keeps your feet secure. Comfortable insoles in navy and durable outsoles in tortoise shell. Fully machine washable, so they’re like new again and again. Our shoes don’t stretch much—so make sure they are not too snug. Excellent condition, please see photos for more extra details.