Material: Soft, Sleek, Lightweight, Breathable Polyester FabricsQuick Dry:Breathable, Lightweight, Quick-Drying Fabric Actively Wicks Moisture Away from the Skin, Keep You Cool and Dry and Comfy in Running, Hiking.UV Protection: The Fabric Rating UPF 50+ Protects Your Skin from the Harmful UVA/UVB Rays, Keeping You Cool.Half-Zip Design: The Design Allows for Neck Coverage, Effectively Protects Your Neck from the Interference of UV Rays.Perfect for: Outdoor Activities Like Golf, Basketball, Fishing, Sailing, Swimming, Hiking, Running, Jogging, Workout, Fitness etc.L,M,S,XL,XS,XXLPlainKnitted Fabric