The North Face Mountain Sweatshirt Collarless Full-Zip Jacket is a powerhouse of quilted comfort. The outermost layer is lightweight and stretchy, with an eco-friendly DWR coating that'll keep light rain at bay. Then comes a warmth-retaining insulation layer that'll keep the chill out. The interior is soft with a super smooth feel against your skin. Wear it under a shell or rock this full zip on its own and reap the rewards of all this mountain-ready tech in the city.