Columbia Men's Grander Marlin II Offshore Big Shorts Omni-Shield 4-Way Stretch Woven 88% polyester/ 12% elastane Imported Omni-Shield advanced repellency Omni-SHADE UPF 50 sun protection Comfort Stretch & Quick Dry Zip-closed security pocket Omni-Shield Advanced Repellence Omni-Shade UPF 50 sun protection Comfort stretch Zip-Closed security pocket