Planning a fast and light cold conditions adventure ? TheMountain Hardwear Mtn Speed 32employs a young type of nylon to become the lightest catch some Z’s travelling bag capable of restrain you lovesome in freezing weather .
What ’s It theorise to Do ? This is a down - filled slumber traveling bag designed for multitude who are traveling tight and light in the backcountry during cold temperature . It was design in collaboration withUeli Steck , a domain - class upper climber , for use as an parking brake bag on his high altitude climbs . Something light enough that it would n’t slow him down during his degraded vertical rise , but tender enough it could save his life in utmost weather condition .
With its 32 ° temperature rating , its 15.7 oz weight lay down it the lightsome full - featured kip suitcase in its family . “ Full - have ” means it has a bonnet , drawstring , zipper and zipper baffle . All the stuff you take for grant that avail a sleeping pocketbook actually keep you fond .
The Mtn . upper ’s slim shape reduces free weight while maintaining comfort and lovingness .
How ’s It reckon To Do It ? There are a compounding of factors at swordplay that contribute to the Mtn . Speed ’s astonishing warmth - to - weight ratio . First , its cuticle is made from Mountain Hardwear ’s revolutionaryGhost Whisperer fabric — the lightest nylon commercially available . Ghost Whisperer framework is windproof , down - test copy , and water immune . The Mtn . stop number uses 850 - fill power , water - tolerant down . Additionally , the bag uses a ½-length # 3 YKK zip in ordering to save weightiness .
How Mountain Hardwear Designs The light Nylon Jackets In The World
The Mtn . Speed utilize a 1/2 - length # 3 YKK zip .
How Does It execute ? This bag is light ! It weigh 50 percentage less than other “ lightweight ” sleeping bags with comparable temperature evaluation and filling - power . It ’s lighter than a lot of down crown . It ’s also improbably compact . The Mtn . Speed face pack into a 1.5 liter stuff sack . This ingredient alone revolutionize the room that you could carry , because it claim up so minuscule place .
https://gizmodo.com/adventure-high-sierra-trail-1601601205
We put it to use in sleep in the High Sierra when temperatures fell near its rating and we did not get cold ( keep in mind , everyone sleeps differently . ) When we summited Whitney at 3 am on July 4th , temperatures on the summit were near 20 ° . meld with our layers , the bag was priceless for keeping strong .
See that fabric hug the zip fastener ? It constantly gets in the way of life .
My biggest issue with the Mtn . amphetamine was with the zip fastener . Not the length or the size ( theSea to Summit Spark SP1has a shorter ⅓-length # 3 YKK zipper that ’s cracking ) , but with the material underneath it ( picture . ) It always snag unless the two side of meat of the zipper were array dead unbent . Once it snagged , it could become hard to unsnag . This was specially thwarting after a long day of mounting or being on the trail .
https://gizmodo.com/adventure-tested-sea-to-summit-spark-sp1-ultralight-sl-1585112184
Some buyer reviews have complained about the lack of down woof . When you first pull out the bag , it does appear rather thinly filled — there were a couple of darker spot in the unit I tested which could signify less - insulated area . However , once the suitcase had time to loft , it became very full and said benighted spots were no longer present . Anytime you ’re unpacking a down sleep bag from its hooey paper bag for use , give it a minute - long shake to help those feathers spread out .
The Mtn . Speed packs down into a 1.5L material sack .
Adventure Ready ? When you ’re calculate ounces , whether for an ultralight backpacking or climb objective , lighten up your “ Big Three ” ( Shelter , Pack , sleep System ) is one of the quickest style to shed weight unit . No other 32 ° sleeping bag on the market can compare to the warmth - to - weight proportion of the Mtn . Speed . As with any sleeping bag , when temperatures drop lower than the temperature rating , you could strain that by wear foundation layers , hat , baseball glove , and insulate layers to bed . Using that proficiency , this grip gains even more versatility in stale weather while stay fantastically light and compact . I ca n’t wait to take it snow bivouacking .
Mountain Hardwear Mtn . Speed 32 — $ 480
Photos : Chris Brinlee Jr.
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