OOFOS OOriginal Thong Sandals – The Insole Store。The OOFOS OOriginal Blue Thong Slip-On Sandals are a stylish and comfortable option for casual wear. With a solid blue color and rubber logo accents, these sandals feature a slip-on closure for easy wear. Made with a durable rubber outsole and upper, these sandals are designed for comfort and support. The unisex design and thong style make them versatile for both men and women, while the US size 7 women size 5 men and ensure a good fit for most wearers. Perfect for everyday wear, these OOFOS sandals are a fashionable choice for those looking for a comfortable slip-on option.