There are two parts to the answer of this question. The first part: No, that really wont work so well. Vapor barrier liners work by reducing evaporative cooling, the cooling that comes from moisture on your skin as it, well, evaporates. So you need that layer very close to your skin, not outside of the bag. The proper sequence would be: Youre inside the vapor barrier liner, the silk liner goes outside of the vapor barrier liner, and then the bag goes over all of that.
MEC Merlin Sleeping Bag
Merlin Sleeping Bag
The second part: Do you really think you need that much stuff? It does get cold on Kilimanjaro, but nighttime temps arent going to dip much below -10 C (15 F). Most any good three-season sleeping bag, maybe with a silk liner, should be adequate for that. Marmots Helium (US$359) would be perfect. It weighs just under two pounds, has 850-fill down, and is a good-fitting bag. The silk liner would take that down to -15 C.
Up your way, MEC sells a house-brand bag called the Merlin (C$260), a -10 C bag that has down fill and a stripped-down design for light weight (33 ounces, so a touch less than the Helium). Nice bag!
Hope you have a good trip; everyone who goes loves it. Just take lots of hand sanitizer.
The 2008 Summer Outside Buyers Guide is now online. From riding to trail-running to camping, get reviews of nearly 400 gear must-haves.
Support Outside Online
Our mission to inspire readers to get outside has never been more critical. In recent years, Outside Online has reported on groundbreaking research linking time in nature to improved mental and physical health, and we’ve kept you informed about the unprecedented threats to America’s public lands. Our rigorous coverage helps spark important debates about wellness and travel and adventure, and it provides readers an accessible gateway to new outdoor passions. Time outside is essential—and we can help you make the most of it. Making a financial contribution to Outside Online only takes a few minutes and will ensure we can continue supplying the trailblazing, informative journalism that readers like you depend on. We hope you’ll support us. Thank you.