A must have for world travelers and outdoor enthusiasts alike. The ultra breathable cooling of the 24-7 technology provides lightweight protection from extreme heat and fatigue in a relaxed fit. Enjoy your favorite sports and activities in harsh conditions while staying cool and comfortable. Skin Cancer Foundation Recommended Product; UPF 50+ Ultraviolet Protection Perfect For Surfing, Swimming, Paddle Sports, Boating, And Beach Days 24-7 Fabrics Are Designed To Be Worn Both In And Out Of The Water 5oz HyperDry With 24-7 Technology Is The Most Breathable, Lightweight, Quick-Dry Fabric Available Loose Fit: Relaxed Fit Similar To Traditional T-Shirt ASIN B0787WCY1S Department mens Manufacturer O'Neill Wetsuits Item model number 5051 Package Dimensions 9 x 8 x 0.5 inches; 12.32 ounces