"Women's Korsa® Vital 1/4 Zip: The Vital 1/4 Zip is a lightweight long sleeve half-zip top built for the kind of weather that can't quite make up its mind. Cool starts, breezy mornings, that awkward stretch between seasons - this is the layer that handles all of it without overthinking. The quarter-zip lets you dial in ventilation as your effort picks up, so you're not stuck overheating halfway through a run. It's a natural fit for training runs, walks, and any day when a single layer needs to do a little extra work.The Vital 1/4 Zip is made from a performance knit blend that keeps things comfortable and easy to move in from the first step to the last. The fit is relaxed enough to wear over a tank or tee without feeling bulky, and the construction supports a full range of motion so nothing gets in the way of your stride. Lightweight coverage, simple temperature control, and a fit that works - it's the kind of running top you reach for without thinking twice.Why Our Fit Experts Love It""I grabbed the Vital 1/4 Zip for an early morning run when I wasn't sure how cold it would actually be. I loved that I could zip it up at the start and open it up once I warmed into my pace - no stopping, no fussing. It layered perfectly over my tank and I barely noticed I was wearing it."" - Rachel, Road Runner Sports Fit Expert, Carlsbad, CAWho It's Best ForThe Korsa Vital 1/4 Zip is a great pick for women who want a go-to lightweight layer for cool-weather training runs, morning walks, or any workout where temperatures are unpredictable. If you run in the early hours, deal with breezy conditions, or just want a versatile long sleeve top that layers easily over what you're already wearing, this one fits the bill. It works well for runners and walkers who prefer simple, functional apparel without extra bulk. VIP Family members can take the Vital 1/4 Zip for a 90-Day test drive with our Perfect Fit Guarantee."