Columbia Sportswear Men's Blood 'n Guts III Long-Sleeve Knit Shirt 100% Omni-Shield Blood n Guts Interlock polyester Imported Crew-neck shirt with raglan-seamed long sleeves and logo at left chest Sunglasses cleaning patch Omni-Shield blood 'n guts advanced repellency technology Omni-Shade UPF 50 sun protection Bacteria-resistant fabric treatment