Whether you're skinning up for dawn patrol or settling into camp after a long day on the trail, the Patagonia Capilene Midweight Zip Neck delivers the versatile performance that makes it a go-to baselayer for serious outdoor enthusiasts. Built from 100% recycled polyester with innovative hollow-core yarns and a diamond-grid back construction, this midweight layer excels at trapping warm air while wicking moisture away from your skin and drying fast when the intensity ramps up. The strategic zip-neck design gives you instant ventilation control when you're working hard, while raglan sleeves and underarm gussets ensure you'll never feel restricted whether you're reaching for that next hold or shouldering a heavy pack. Add in HeiQ Mint odor control that keeps you fresh through multi-day adventures, and you've got a sustainably-made baselayer that performs as reliably as your favorite trail.