This shirt provides moisture and odor controlling features for all-day protection. This shirt also features UV ray protection, two chest pockets plus a sleeve-roll option, and is stretch for optimal freedom of movement. 95% Nylon, 5% Elastane Plain Weave Ultraviolet protection factor (UPF) 30 Regular fit Stretch Knit rib continuous under arm gusset for moisture management Sleeve roll up feature Two chest pockets with button closure Shirt tail hem Fresh Guard for odor control 8.5 oz.