Lightweight ripstop fabric with built in sun protection makes the Columbia Sportswear Men's Low Drag Offshore Long Sleeve Shirt ideal for long days in the sun, but the clean lines and subtle design details means it looks sharp in any situation. Strategic venting facilitates cooling airflow, while wicking properties whisk moisture quickly away from the skin to keep you dry and comfortable. Antimicrobial fabric stays fresh over multiple wearings, making it ideal for longer trips. No need to sweat the sun UPF 40 protection is built right in, keeping you safe from harmful UV rays. Constructed of 100% polyester ripstop fabric. Omni Shade UPF 40 sun protection keeps you safe from harmful UV rays. Omni Wick advanced evaporation wicks moisture, breathes, and is quick drying. Antimicrobial treatment keeps odors at bay. Sun protection collar. Roll up sleeve with button tab sleeve holders. Quick dry performance. Vented for air circulation. Import.