The coolest performing stretch-woven shirt in your kit, slip into the new Stone Cold SS Shirt that wears like a breath of fresh air and now comes equipped with side-entry chest pockets for easy access to your everyday essentials. Stretch woven nylon with brrrAdeg Triple Chill Effect technology that provides cooling, wicking, and rapid drying for crucial warm weather performance Two side-entry zippered vertical chest pockets big enough to hold a large fly box Built-in, convenient sunglass chamois at the center hem Sun protection brrrAdeg Triple Chill Effect - Proven To Keep You Cooler UPF 50+ Fabric Tech Main Body: 94% brrrAdeg nylon, 6% elastane woven; 110 gsm Item #: PG-14123