2.4 oz./yd², 100% polyester ripstop; Omni-Wick™ moisture-management properties; Omni-Shade™ UPF 40 protection; Mesh-lined vent at center back; Side pockets with zippered closure; Hook-and-loop rod holder with Columbia patch logo on left chest; This product meets the following Sustainable Style subcategory:Socially Conscious Manufacturing: This product was made in a facility that utilizes the Higg Index and has implemented Level 2 practices or above.