Columbia button down shirt from their Performance Fishing Gear line. UPF 30 Omni-Shade fabric and long sleeves that convert to short. Royal blue color with gray buttons. Also has loop on one pocket, Velcro under the logo and breathable mesh under the top half of the back of the shirt. Shoulder are approx 25" across Length is approx 33" Sleeve approx 24" You made today better. Thanks for being here.