The North Face Hightail 2s
Here's what other sites are saying:
Our lightest, most compressible technical bag is designed to reduce weight and maximize comfort on minimalist backpacking excursions. Constructed of 850+ fill down to provide three-season warmth in temperatures as cold as 35 F. The ergonomic design is contoured to eliminate cold spots around the hood and footbox, which are crafted of Pertex Endurance fabric to resist condensation.
- The North Face