What Our Gearhead® Experts Are Saying:"I wore the Columbia Summit Valley Long-Sleeve 1/2-Zip Top on a two-day ridge traverse in full summer heat and it handled every sweaty climb without missing a beat. The Omni-Freeze Zero Ice cooling is genuinely noticeable when you start working hard, and the odor-neutralizing fabric meant I felt presentable enough to stop at a restaurant on the drive home after day two."There's a certain kind of trail that reveals whether your gear was actually built for the job or just looked the part in the store. The Columbia Summit Valley Long-Sleeve 1/2-Zip Top is firmly in the first category. Sitting at the top of Columbia's Titanium performance line, this half-zip is engineered for high-output days in demanding conditions where a lesser shirt would be soaked, smelly, and struggling by the third mile.Omni-Shade Sun Deflector UPF 50 uses reflective dots woven into the fabric to actively deflect sunlight rather than simply blocking it, keeping skin protected and the fabric feeling cooler under direct exposure. Omni-Freeze Zero Ice delivers industry-leading sweat-activated cooling that responds to your output in real time, working hardest exactly when you need it most. Omni-Wick construction pulls moisture away from the skin and drives it to the surface to evaporate quickly, while odor-neutralizing fabric captures and neutralizes sweat smell across long days and back-to-back efforts. Thumbholes keep the sleeves locked in place on the descent and extend coverage over the hands when the air turns cool near the summit, and a locker loop handles post-hike hanging without a second thought.
Material: 92% polyester, 8% elastane;
Fit: regular;
Center Back Length: 28.5in;
Style: 1/2-zip, long-sleeve;
Anti-Odor: odor-neutralizing treatment;
UPF Rating: UPF 50;
Manufacturer Warranty: limited lifetime;
Activity: hiking;
storecredits: 0.0;
Style Variants
Available Colors: Compass Blue, White
Size Reference for Columbia 1/2-Zip Top - Men's
Available Sizes: S, M, L, XL, XXL
