REI Co-op

Features

1. Down insulation is put on top of bag where it contributes the most warmth and loft; synthetic insulation on bottom of bag for a stable, moisture-resistant insulation layer
2. 800-fill-power goose down is efficiently distributed for maximum warmth and compressibility
3. Exclusive REI Down Fill Calculator optimizes the amount of down per baffle for the most warmth with the least amount of down
4. In-the-round pattern wraps vertical baffles around perimeter of sleeping bag, from head to foot, creating a 3-dimensional bag that wraps you in warmth
5. Performance fit saves weight by reducing girth at shoulders, hips and lower legs while increasing thermal efficiency
6. Baffle spacing allows the down to remain fully lofted and keeps it from shifting, preventing cold spots
7. Waterproof, breathable shell fabric is used on hood, side panels and footbox to increase moisture resistance in areas that often come in contact with tent side walls
8. Shell fabric is treated with a Durable Water Repellent finish to repel moisture and stains
9. Ultralight, mini-ripstop polyester lining has a soft hand feel and is comfortable against your skin
10. Multichambered contour hood, insulated full-face muffler, and full-length zipper draft tube with ground-level seams all work to keep heat in and cold out
11. Trapezoidal footbox mirrors sleeping position for room to move and thermal efficiency
12. Differentiated drawcords (1 round, 1 flat) let you adjust hood and neck easily in the dark
13. Full-length of zipper is backed by wide, antisnag binding tape
14. Any REI backpacking bag can be zipped to any other REI backpacking bag because of the consistent 63 in., No. 5, YKK zipper; women's bags zip on the right, men's on the left
15. Includes stuff sack and storage bag