Oct 24, 2009 · The helium doesn't have a down collar and the WM ultralite does have a down collar. I just got back from hiking near Franklin, NC, and it got down to 29 degrees and I was …

Feb 19, 2004 · Hydrogen or Helium? I'm going to be purchasing either a Marmot Hydrogen (30 degrees) or a Helium (15 degrees). My question is for those with experience with either of …

Nov 23, 2016 · It seems like the alpine is much more robust then the helium which might be a great worse case senerio. I don't have any bivy experience but with the learning curve I will be …

Dec 13, 2016 · With the OR helium PertexShield + 2.5 L MVTR is 7000 g/m2/24 H. I can do better, much better with eVent as top WP bivy fabric with as much a MVTR of 15,000 - 25,000 …

May 7, 2012 · Does anyone have any recommendations for a dry sack for a Marmot Helium 15? I may try the old contractor bag trick for backpacking, but would like to get an idea for what size …

Dec 25, 2003 · If you're in the market and looking at a Helium or Hydrogen, consider the Ultralite also. As Chris has proved by his post concerning the Marmot Arroyo, YMMV and probably will!

Mar 25, 2015 · So I'm looking at getting a quilt from EE to supplement my Marmot Helium 15 degree bag for my thru hike next year. I'm thinking the Helium will be pointless to carry, as it …

Dec 21, 2010 · The Helium uses 850+ df and nylon ripstop on the outside and polyester taffeta on the inside. Great materials, but a smudge heavier than the PQ. Here I will say the REI IS …

Dec 1, 2021 · Restore DWR on Outdoor Research Helium II Started by Coffee, 05-01-2014 10:23 Replies: 1 Views: 5,378 Dogwood

Oct 13, 2009 · The helium is also slightly lighter, which is probably the function of a slightly better quality down. (850 vs. 800). If you were only going to go for one bag, maybe the Helium would …