Arctic Cool's revolutionary Solid Crew Neck Instant Cooling Shirt with UPF 50+ Sun Protection is a must for athletes, workout warriors, and anyone who wants to keep cool and comfortable. It features state-of-the-art HydroFreeze X Technology, a cooling management system that reduces the fabric temperature during activity providing just the right amount of cool to keep you comfortable...not chilled. Spritz with water for an instant cooling effect or wear it dry for all day comfort! The shirt's design also wicks moisture away from skin and disperses it throughout the shirt, keeping you dry and relaxed. It's made with fabric that provides full range of motion for all types of activities. And its ultralight construction is antimicrobial and easy-to-clean. This shirt makes it easy to stay cool while you stay active. Unconditional money-back guarantee - if you're not completely satisfied with the Arctic Cool Instant Cooling Shirt with HydroFreeze X Technology, we'll replace or refund your purchase price.