Introducing the Men's Astroman Short Sleeve Sun Shirt from Outdoor Research, a top-of-the-line technical sun shirt designed for outdoor enthusiasts. This best-selling shirt is crafted with AirVent technology to keep you cool and comfortable during your adventures under the sun. The UPF protection ensures that you stay shielded from harmful UV rays, while the movement-mirroring stretch fabric allows for unrestricted mobility. Whether you're hiking, climbing, or simply enjoying a day out in nature, this sun shirt is a must-have for your outdoor wardrobe.

Key Features:
- AirVent technology for enhanced breathability
- UPF protection to shield against harmful UV rays
- Movement-mirroring stretch fabric for unrestricted mobility
- Short sleeve design for added comfort
- Stylish and functional, perfect for outdoor activities

Upgrade your outdoor gear with the Men's Astroman Short Sleeve Sun Shirt and enjoy superior performance and protection on your next adventure.