Simms long-standing Guide Shirt packs pro-level performance with a technology suite powered by quick-dry, wicking, and UPF 50 performance. Three zippered fly-box compatible pockets add plenty of storage. Extended Sun Cuffs enhance overall coverage. Articulated sleeves and off-shoulder seaming make casting more comfortable and a vented, mesh-lined back panel wicks moisture, while promoting airflow. Traditional fit comes standard.