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Merino or Synthetic base layers?


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  • #1264168
    Paul Davis
    Member

    @fauxrealz

    Locale: East Coast

    I am currently in the process of rounding up a whole new (and first lightweight) collection of gear. One thing that I am wondering about is whether or not merino is a good choice for base layers.

    For general three season backpacking in mild weather I plan to bring:
    – 1 synthetic tee
    – running shorts
    – 2 pairs of socks
    – down jacket
    – rain/wind jacket
    – rain/wind pants
    – warm hat
    – running hat
    – and finally… a long sleeve base and a pair of tights

    Ideally, would you rather have that layer be synthetic, merino, or a blend?

    I appreciate your help a lot, guys. I've been posting a lot lately and I really appreciate everything.

    #1652780
    Jeffs Eleven
    BPL Member

    @woodenwizard

    Locale: NePo

    My vote is Merino.

    As far as I am concerned its personal preference.

    I can handle some dampness, and don't like to stink, so I go merino.

    IMO rain pants are pointless unless its cold.

    #1652781
    Trill Daddy
    BPL Member

    @persianpunisher

    For Dry, cold temps I use wool. When I am exerting or in humid, muggy environments, sythetic is what I use…

    #1652787
    Amy Lauterbach
    BPL Member

    @drongobird

    Locale: San Francisco Bay Area

    IMHO, the best article ever published on BPL was on this topic.
    http://www.backpackinglight.com/cgi-bin/backpackinglight/comfort_moisture_transport_wool_synthetic_clothing.html

    I've switched to wool. Depends a lot on whether you care about stink. I have hiked in a merino zip-t all day, and slept in it at night, non-stop for 10 days with no bathing, and I don't offend myself. I wear a Patagonia capeline top for one day on the trail and I find it stinky. Your mileage may vary :)

    #1652795
    James holden
    BPL Member

    @bearbreeder-2

    syn if its wet or cold … merino doesnt dry as fast …

    #1652796
    Robert Cowman
    BPL Member

    @rcowman

    Locale: Canadian Rockies

    +1 on merino.
    more versitile that synthetic, because it is more breathable. plastic fibers only allow moisture to go around, not through. even if merino is damp or wet, still drys really fast, even faster when it's on you. even if it's wet it feels comfortable on you.

    look at some of the longest expeditions

    Skurka Alaska(twice)-BPL hoody and Indie hoody
    arctic 1000- smartwool hoody

    #1652798
    P. P.
    Member

    @toesnorth

    Locale: PNW

    Another vote for Merino.

    #1652801
    Dan @ Durston Gear
    BPL Member

    @dandydan

    Locale: Canadian Rockies

    I'm all about the quick dry, so I wear the thinnest, lightest synthetic layers like the GoLite Wildwood Run Top. It's really light (ie. 2oz for a top) and you can wash one, wring it out, put it back on and it's dry in 15 min on a nice day and no more than 30 minutes in cold, humid conditions. It's so much easier to dry stuff by wearing it versus needing several hours of nice weather to hang dry it. It's true that with wool you'd need to wash it less, but quick dry is still really valuable to me for those days when it rains all day and I wind up soaked. I can sit up and read in my shelter for half an hour while my shirt dries and then go to bed in comfort. If your wool shirt gets wet you're going to need a nice window of nice weather to dry it.

    #1652810
    Dug Shelby
    Member

    @pittsburgh

    Locale: Bay Area

    Although I have heard great things about the Run Top.

    I like the non-stinkiness & durablility. I have some of each, but I started out mostly with synthetic. Found out the hard way. :) And I agree with Amy, that article she posted is very meaty & informative.

    Dug
    http://thf2.wordpress.com

    #1652813
    Matt Lutz
    Member

    @citystuckhiker

    Locale: Midwest

    I vote synthetic for one reason: durability. I've had wool pill up on me. I wear Capilene 1 short/long sleeve shirts for running and have been for a few years now. They have taken a beating while running: heat/cold/UV light/repeated washings/etc and they look almost brand new.

    You'll have to deal with a stink factor, so the longer the expedition, the more likely you'll want wool e.g. my R1 hoody is pretty gnarly after a four days.

    #1652849
    ben wood
    Member

    @benwood

    Locale: flatlands of MO

    well like others have said – the stink factor

    myself? depends – i'm a pretty stinky guy, so the wool really helps and i take it on anything other than an overnight. that said, the capilene line is my favorite, i almost always wear my cap2 for running, hiking, just around, and sometimes for overnights. it does stink considerably more, but its superduper tough, like someone else mentioned.

    if i were doing a thru-hike or something long, i would definately go with the wool, its comfortable, washes well in the wild and you wont offend yourself as much.

    personal preference maybe, but i wouldn't worry too much about the cold wet issue with wool, just don't wash your shirt when its 30deg out. i wash mine at the hottest part of the day if at all

    #1652863
    Diplomatic Mike
    Member

    @mikefaedundee

    Locale: Under a bush in Scotland

    Merino for me.
    I vary the thickness depending on temps expected.
    My usual hiking area can be very windy, so merino has an added benefit, apart from the well known anti-stink properties.
    With synthetics, i hate that cold feeling you get across your back when you stop, as your sweat cools instantly. I don't get that with merino.

    #1652880
    Tom Lambrecht
    BPL Member

    @tlambrecht

    Locale: Front Range

    I'm retooling my baselayer choices as well and favoring wool due to the stink factor–can go much longer before my spouse starts raising her eyebrows than with any of the synthetics I've tried

    plus wool just "feels' better to me

    #1652883
    Dan @ Durston Gear
    BPL Member

    @dandydan

    Locale: Canadian Rockies

    With synthetics, i hate that cold feeling you get across your back when you stop"

    Yeah but that cold feeling is the synthetic shirt drying way faster. If you want to avoid this feeling, then you're using a sorta cold, damp wool shirt for significantly longer. It's a trade off but I find the synthetic much easier to live with in extended damp/rainy conditions. Wool may feel nicer in nice or medium conditions, but in extended poor conditions I find synthetic really takes the win and that's what I like to be prepared for.

    Regarding the 'stink', I've never noticed significant stink from any of my baselayers…synthetic or otherwise. Maybe its just me (or my nose sucks?). I agree that wool feels slightly nicer on the skin, but to me this is a pretty minor consideration compared to weight and moisture management.

    "IMHO, the best article ever published on BPL was on this topic.
    http://www.backpackinglight.com/cgi-bin/backpackinglight/comfort_moisture_transport_wool_synthetic_clothing.html

    This is a great article for sure, but it doesn't consider extremely light synthetic layers you can get. The synthetic fabrics tested weighed 111-133g/m2, whereas you can get synthetic shirts weighing nearly half that (60-80g/m2). Wool was 40-60% slower drying that the synthetic shirts tested, and these really light synthetic layers are way faster still. You can get wool shirts a bit lighter than the ones tested, but not radically so.

    For me, staying dry (or getting dry) out there is really important. With wool once I get it wet, I find it very difficult to get dry if the conditions are humid and rainy. In nice conditions it works well, but when it's sloppy out I get tired of being damp for several days.

    My strategy is to use the lightest, thinnest, fastest drying synthetic baselayer. If I need insulation I'll layer my wind shirt and/or insulating clothing over top. Even in the winter I use the thinnest stuff. I can ski tour up a slope and get totally sweaty and then at the top I can stand in the breeze on the ridge in my shirt (and get really chilly) for about 3 minutes and then my shirt is dry and I get layer up and hang out in total comfort. In wool I'm damp all day.

    …just my opinions. It depends in the conditions you're hiking in but I like to always be prepared for the worst.

    #1652886
    Diplomatic Mike
    Member

    @mikefaedundee

    Locale: Under a bush in Scotland

    Staying perfectly 'dry' isn't important to me. Staying comfortable is.

    Scotland isn't known for nice or medium conditions. I've worn a merino base for 11 days without any discomfort. I'm old enough to remember the horrible stinky, slimy polypropylene layers.

    #1652899
    Dug Shelby
    Member

    @pittsburgh

    Locale: Bay Area

    Hahahaha…I don't know why, but that just came across as pretty hilarious! :)

    #1652901
    Brett Peugh
    BPL Member

    @bpeugh

    Locale: Midwest

    I used to worry about the whole staying dry thing but then I realized that I don't soak my shirts through and I also take a rain jacket. The most I ever do usually is get the pits wet unless it is very hot out at which point I don't care if the shirt is wet.

    Poly and my body have this weird tendency to stink within a day also. Right now I am using 50/50 stuff for above 70F and Ibex Indie Hoody for below. They work nice and can be layered. The 50/50 stuff does end up stinking after a few days but I bring two Ts and alternate while washing. Those viscose rayon Hawaiian shirts work well also as they dry super fast and are very light.

    #1652906
    Dan @ Durston Gear
    BPL Member

    @dandydan

    Locale: Canadian Rockies

    I should clarify, my goal here isn't to stay dry (although that's always nice). It's to be able to dry off after getting wet, instead of being stuck in a wet/damp state for days.

    Sometimes getting wet is pretty much unavoidable. Right now in Japan, Glen Van Peski & that crew are facing 1.5" of rain per hour while scrambling up steep trails. Even with rain gear, I bet most of those guys are soaked. Being able to deal with getting soaked is more important than trying to never let it happen.

    If living in a somewhat damp state for days in a merino layer works for you then great. I prefer quickly returning to being dry with a super quick dry shirt.

    #1652912
    James holden
    BPL Member

    @bearbreeder-2

    a few points

    1. syn does dry out quicker than merino … simple fact … there are time when you're in minus 20 C weather with a soaked baselayer layer from yr sweat, and you need to dry out without taking off your layers … ie climbing

    2. in a PROPER base layer the slower drying properties of wool shouldnt matter too much IF the wool is thin … i really dont get all these thick wool base layers … because

    3. the purpose of a base layer is to wick away moisture from to the outer layers, thus thinner is better … if you want warmth ,,, wear a thicker insulating layer … i see a lot of people buy thick merino and use it like a light sweater

    4. most people i see with wool "base layers" are doing it wrong .. they buy baggy merino, which while not as revealing, defeats the purpose of a base layer … it should be close to SKIN TIGHT to wick away moisture … it doesnt matter how unflattering yr big belly is under that merino top … size it tight

    so in summary i use both … but to get the max performance from wool size it thin and tight

    loose fitting and thick merino … you might as well wear a fleece, itll dry quicker

    just my experience

    #1652917
    Diplomatic Mike
    Member

    @mikefaedundee

    Locale: Under a bush in Scotland

    "3. the purpose of a base layer is to wick away moisture from to the outer layers, thus thinner is better … if you want warmth ,,, wear a thicker insulating layer … i see a lot of people buy thick merino and use it like a light sweater
    "

    Sorry Eric, but i disagree with you.
    The purpose of a baselayer is to feel comfortable next to skin.
    Some folk might prefer to feel cold and dry, i like to feel warm, and maybe damp.
    Wool os exothermic, so it should keep you at whatever temp you are at.

    #1652920
    Brett Peugh
    BPL Member

    @bpeugh

    Locale: Midwest

    I think alot of your choice has to do with your activity level also. I am not into exterme sports or climbing or going up to the top of a mountain. Even baggy wool works great for me then because I am not exerting myself to the Nth degree and if your arms are more down than up that armpit area is going to get covered. I may sweat a little but it is from the usual areas and it dries pretty quick.

    I think some other variables are the techniques you want to use. I am sure those people going up the trails in Japan are probably getting very wet with that much rain but then again, I wouldn't do that. I would probably hike for two hours and then rest for about one under some trees and dry off a bit before repeating. I have been in all day big and heavy rainstorms around here outside with my rain jacket, trash bag rain skirt and watersocks and have gotten damp but not wet from the air but I am sure they are really pushing themselves.

    As for getting wet, I bring more that one shirt that can be used as a baselayer. If it is hot I have my T and a longsleeve hiking shirt to be used separately for different conditions or as a layering system. If it is cool/cold I have my hoody and a T because conditions change and it also makes a good layering system and a good backup one. When you are done for the day you just pop the other out and nod off and the wet one dries while you are sleeping.

    #1652922
    James holden
    BPL Member

    @bearbreeder-2

    im not going to get into an internet argument ;)

    here are the best resource i know of online …

    http://www.psychovertical.com/theartofnotsuffering

    http://www.verber.com/mark/outdoors/gear/clothing.html#BaseTorso

    every resource on base layers shows the same thing … a base layer should be light, tight and wicking in order to work properly …

    you MAY end up being warm and damp by circumstance … but dampness by choice is a great way to get hypothermic in deep winter

    #1652924
    Diplomatic Mike
    Member

    @mikefaedundee

    Locale: Under a bush in Scotland

    No problen Eric. :)

    I usually end up warm and damp in winter. If i've got it right.:)

    #1652927
    Dan @ Durston Gear
    BPL Member

    @dandydan

    Locale: Canadian Rockies

    ""3. the purpose of a base layer is to wick away moisture from to the outer layers, thus thinner is better … if you want warmth ,,, wear a thicker insulating layer … i see a lot of people buy thick merino and use it like a light sweater"

    Sorry Eric, but i disagree with you.
    The purpose of a baselayer is to feel comfortable next to skin.

    I'm with Eric regarding the purpose of a baselayer. The whole point of it is to wick moisture away from your body and keep you dry. This is the generally accepted purpose of an inner layer by pretty much everyone. Look up any article on clothing layering and it'll say this. Example:
    http://en.wikipedia.org/wiki/Layered_clothing#Inner_layer

    Some folk might prefer to feel cold and dry, i like to feel warm, and maybe damp.
    No one has said anything about wanting to feel cold. You're misrepresenting others by framing this as a choice between cold & dry versus warm & maybe damp. Dry is warm. We all want to be as dry as possible and at a comfortable temperature. Synthetics allow me to be drier than I have been able to achieve with merino. I stay at a comfortable temperature using my other layers if need be.

    "When you are done for the day you just pop the other [wool shirt] out and nod off and the wet one dries while you are sleeping."

    I've never got a wet wool baselayer hanging in my shelter to dry overnight.

    "Wool is exothermic, so it should keep you at whatever temp you are at"
    BPL on this: "The discernible effect, if any, is mostly the comfort of the fabric against the skin. The actual heat generated is too small to have a significant warming effect for your body."

    #1652928
    James holden
    BPL Member

    @bearbreeder-2

    here's a bit of levity …

    you know what's an awesome base layer for the legs? …. women's nylon stockings !!!!

    super light, super wicking, dries super fast, non chaffing

    feels super nice (oh my!!!)

    and super cheap …

    crossdressing in the backountry does pay off =P

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