The Simms Solarflex Long Sleeve crewneck shirt is designed for being out on the water and to maximize your fishing comfort. This shirt features COR3 fabric technology which is wicking, antimicrobial and UPF50. The flat seam construction enhances comfort along with high backed collar bolsters sun protection. The raglan sleeve design provide for unrestricted movement through the arms and upper torso. View Simms Clothing Size Chart