Columbia Men's Blood and Guts III Shorts Omni-Shield Release Ripstop 100% nylon Imported GET DIRTY: Crafted of our Blood 'n Guts stain repellant, these lightweight yet durable nylon ripstop shorts will hold up to angler stains. ALWAYS DRY, ALWAYS SHADED: Stay cool and protected with UPF 30 sun protection. Advanced wicking fabric dries fast so you wont get soggy. Omni-Shade UPF 30 sun protection Omni-Shield Blood 'n Guts advanced repellency