The Spenco Polysorb Walker/Runner Insole in size 14-15.5 is a high-quality insole designed for those who are on their feet for long periods of time. Made of silicone material, this insole provides comfort and support for individuals with a larger foot size. The Spenco brand is known for producing durable and reliable products, making this insole a great choice for those in need of extra comfort and support in their shoes.