"What Our Gearhead® Experts Are Saying:""The Columbia Silver Ridge Utility II Long-Sleeve Shirt has become my go-to for long summer hikes where sun exposure is unavoidable for hours at a time. The UPF 100 rating means I genuinely stop worrying about sunscreen on my arms, and the venting combined with the mesh lining kept things surprisingly comfortable even on a fully exposed ridgeline with no shade in sight.""There are trails where the sun is inescapable for hours, ridgelines and open traverses where shade is a rumor and the UV exposure adds up fast. The Columbia Silver Ridge Utility II Long-Sleeve Shirt was built for exactly those miles, leading with Omni-Shade UPF 100 protection that blocks UV rays through tight fabric construction and modified fibers, so the arms and torso stay covered no matter how long the exposed stretch runs. The sun protection collar pops up to close the gap at the neck when the angle gets low and the trail stays open. Columbia built this shirt from 100% recycled polyester and added mesh lining and venting to keep airflow moving through the kind of sustained effort that heats up fast on a summer climb. Roll-up sleeves with snap-button tab holders adjust coverage on the fly as the temperature shifts, and Omni-Wick keeps sweat from lingering against the skin during the hardest miles. A zippered chest pocket, interior security pocket, and shirttail hem round out a shirt that brings genuine utility to every hour on the trail."