Description of The North Face Aurora Zip Neck Shirt - Women's Stay comfortable on and off the trail. Features: Shell: 140 g/m² Malden Polartec 100 series - 100% polyester micro-fleece Shell: Polartec Power Stretch - 64% polyester, 24% nylon, 12% spandex Polartec 100 fleece on front and back panels Polartec Power Stretch side panels for increased mobility Quick drying Lightweight Continuous gusset from hem to cuff Left chest zip pocket Flat-locked seams Deep zip-front neck