REI Vented Button Down Shirt Men's Size XL Green Nylon Hiking Outdoors P22 The REI Vented Button Down Shirt in men's size XL is a versatile and practical option for outdoor activities such as hiking and camping. Made of durable nylon fabric, this green shirt features a solid pattern with a collared neckline and long sleeves. The button closure and spread collar add a classic touch, while the vented design and zip pockets provide functionality for all seasons. Easy to care for with machine washable instructions, this regular fit shirt is perfect for travel, casual wear, or workwear, making it a great addition to any outdoor enthusiast's wardrobe.