- Dark Obsidian/pure Platinum Sneakers - Nike Aero-FIT technology is designed for maximum breathability. It allows airflow against your skin to help you stay cool when temperatures are high - Match collection lets you wear exactly what the pros wear, with authentic design details and our most innovative cooling technology - 100% polyester - SKU: IB5225-475 A new era of breathability has just stepped onto the field. Introducing Nike Aero-FIT technology. It brings lightweight stretch to this authentic USMNT jersey, giving you the same extraordinary airflow as the pros.