Chic blue top with sheer sleeves. Perfect for layering. Comfortable and stylish. Long Sleeve Zip Mock Neck features our patented Iceƒil® technology fabric. It works by converting sweat to refrigerant, cooling your skin up to 5 degrees, allowing you to be cool, comfortable, and dry on the hottest, most humid days. This garment also has built-in UPF 50+ sun protection, moisture-wicking, and anti-odor properties. This style has a mesh underarm panel promoting additional comfort and breathability. Wear the Long Sleeve Zip Mock Neck to all athleisure activities!