Went to Amazon, and the only review for this one is not very encouraging.
引言回覆:
What is a pad without Air?, May 12, 2009
By C. Witmer (PA) - See all my reviews
Purchased this pad to go to Philmont with my son. Was very happy with the weight. Used it last week and felt like a king when I went to sleep. Woke up on the ground. It seems the air leaked out slowly thru the night. I rechecked the pad at home. It didn't stay inflated even without anyone using it. Not a happy camper. Pad was over the top in price and my fellow camper slept like a baby on his $40 pad. I returned the pad.
I'm not a backpack camper, so I don't really care if it's super light, but for those who don't care about the comfort that much and want super light pad with less touble packing.
get this one. the cheapest and lightest "Therm-a-Rest Z-Lite Sleeping Pad"
It's $39.99 for regular size 72" long. don't get the short one .
here is a review
http://studenttravel.about.com/od/sleepingbags/gr/thermarestzlite.htmand here is a link to backcountry.com for the item. 2 in stock when I checked.
http://www.backcountry.com/store/CAS0504/Therm-a-Rest-Z-Lite-Sleeping-Pad.html?mv_pc=r175#reviews