On my first backpack 15 years ago my pack basics (pack, tent, pad, bag) weighed a whopping 21 pounds. Today – what a relief – the total is 8 pounds, 1 ounce.
I do it this way:
Osprey Aether Pack – 2800 cu (good for 7 days) – 1.5 pounds
Tent – Sierra Design Light Year (aluminum poles) – 3.0 pounds
Sleeping bag – Western Mountaineering – 1.0 pounds
Sleeping Pad – Exped DownMat 7 – 2.6 pounds
Total – 8 pounds, 1 ounce
Alternative:
Ditch the tent and employ the fly-floor configuration (1 pound)
Use my short Thermarest (14 ounces) instead of the DownMat
Total with these substitutions – 4 pounds, 7 ounces.
However, carrying the added 3 pounds, 4 ounces – for the DownMat 7 and full tent – I earn a huge payoff in warmth, comfort and mosquito-free sleep. The 5.9 R Value for the regular 2.5 cm mat allows me to carry a one-pound sleeping bag for three seasons.
Here’s good news for you: Exped has just released the DownMat 7 UL (ultralight) and the medium size is only 20.5 ounces, compared with 34 ounces for my three-year-old DownMat 7! And, I the D7 UL is rated for -11 F.
Be light. Be Safe. Be one with the pack.


Backpacker Magazine in its August 2006 ultralight gear guide calls the 
A Dream Sleeping Bag for Lightweight Backpackers