This is a short-sleeved shirt from Columbia, a long-established American sports and outdoor brand founded in 1938. It's an old item from around the 2000s. It's made of nylon, but the fabric has a unique feel, soft like cotton. The nylon material is quick-drying, making it perfect for summer. The color is a cool, light blue-gray. There are no noticeable stains or damage, but please be aware that this is a used item. 100% nylon 〈Approximate Size〉 Shoulder width: 47cm Body width: 55cm Sleeve length: 24cm Length: 72cm Color: Blue Pattern: Solid Collar design: Regular collar