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. This is from the GRT (Gear for Rugged Trekking and Travel) series, which focuses on functionality within Columbia. It's made of nylon, but has a rare fabric feel that's soft like cotton. The nylon material is quick-drying, making it perfect for summer. The color is a refreshing blue. 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: 54cm Sleeve length: 24cm Length: 72cm Color: Blue系 (Blue-based) Pattern: Solid Collar design: Regular collar Material: Nylon/Polyester