U.S. Grand Polo Black Nylon Men's Sweater. Overlong Sleeved Sweater, Crew Neck, Contrast Details, Embroidery, Logo. Brand: U.S. Grand Polo. Gender: Men. Material: 20% Nylon, , 80% Viscose. We guarantee 100% authenticity on all of our products, ensuring that you receive exactly what you're looking for. For a more comprehensive understanding of the item, please take a close look at all the provided images, as they offer complete product details and important features.