http://www.duluthtrading.com/store/mens/mens-shirts/42507.aspx

*Textured fabric with subtle cooling crinkles floats over skin, circulating air
*Polyester/nylon fabric is featherlight, dries quick
*Moisture Control System finish wicks sweat, keeps you dry and looking good
*F.O.M. underarm gussets for unrestricted reach
*UPF 50+ protection from the sun's burning rays
*Button-secured chest pocket with hidden pencil pocket inside
*68% polyester/32% nylon