When your adventures take you deep into the backcountry, the Arc'teryx Sima Long Sleeve Shirt delivers the technical performance you need for extended outdoor pursuits. This women's hiking shirt features recycled polyester double weave construction that's both breathable and stretchy, while providing UPF 40 sun protection for those exposed ridge walks and alpine approaches. The pack-compatible design sets this mountaineering shirt apart, with forward-shifted shoulder seams that eliminate chafing under heavy loads and side-entry zippered chest pockets that keep essentials accessible without dropping your pack. Whether you're tackling multi-day backpacking trips or pushing your limits on technical terrain, this versatile outdoor shirt adapts to changing conditions with its snap front placket and articulated patterning that moves with you through every scramble and summit push.
