Excerpt: Listed weight: 750 grams Uncompressed, packs to 11 in x 6 in. The bag comes with a tough compression sack. The bag is rated for comfort at 41 degrees (F) and a low of 32 degrees (F). I am male, 5'10" and 175 pounds of an average athletic build. I had my first opportunity to utilize this bag on a cold weather trip this past weekend in Middle Georgia.