Published by at 26/07/2026 The REI Co-op Shirt is a women's XS short sleeve top in blue, perfect for outdoor activities like hiking and camping. Made from lightweight, breathable polyester material, this shirt features a crew neck with a pullover closure and solid pattern. With a classic style and stretch fit, it serves as both activewear and casual wear for any season. Machine washable and ideal for various outdoor adventures and fitness activities, this shirt is a versatile addition to any wardrobe.