Maximize your fishing comfort with the benchmark-setting UPF protection inherent in Simms Bugstopper Long Sleeve technical shirt. Featuring the on-the-water benefits of COR3 fabric technology, this men's crewneck excels with superior wicking performance, anti-odor technology, and UPF50 sun protection. In addition, flat seam construction enhances comfort and makes this men's tech t an ideal underlayer. Reach for the Men'sBugstopper Crewneck from Simms when you want ironclad protection from bugs, sun and heat. High-backed collar bolsters the builit-in UPF 50 sun protection COR3technology for optimal moisture-wicking to keep you cool Raglan sleeves promote unrestricted movement when casting Insect Shield technology protects against bug bites.