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Discover the best warm leggings for hiking, designed to keep you comfortable and cozy on your outdoor adventures. Crafted from high-performance materials, these leggings offer excellent insulation while remaining breathable for optimal temperature regulation. With features like moisture-wicking technology and four-way stretch, they provide the perfect blend of flexibility and support. Whether you're tackling rugged trails or enjoying a leisurely stroll, our selection ensures you stay warm without sacrificing style. Gear up for your next hike with leggings that combine functionality and comfort seamlessly.
$74.97
WAS: $100.00*
Love them, extreme warmth, so much warmer than base 3, I like the looser fit in the legging ... fit fitted leggings inseam: 29 1/2 ” technology ua base™ 4. 0 locks in your body ’s heat to deliver extreme warmth even in the brutal cold moisture...
5
Mand4
Comfortable and warm, like that they are black and can be worn as a base layer or outer layer
5
Mom2025
Got this for my daughter, she is a teacher. Keeps her warm through her sedentary day. We 've tried other products with little success. The 4. 0 is perfect.
5
GT1976
The Under Armour base layer are the best thermals on the market!
5
mob1032
These leggings are very warm and great for watching football games in the winter.
5
Kristy w
The best cold weather gear I have gotten yet!
$72.97-$115.00
WAS: $115.00*
Very comfortable and warm! ... I NOW OWN 3 PAIR.. THEY ARE AMAZINGLY WARM AND COMFORTABLE! ... Warm and Functional ... They are soft, comfortable, and warm. ... Fit is perfect; extremely comfortable; keep me so...
5
posie
[ Very impressed by Smartwool after hearing from a friend. this baselayer is super lightweight and warm. good for running as it is or layering under a waterproof pair of pants for frigid weather to hike
5
Sdwvt
[ I now own two pairs of these bottoms. I sized up to a medium. I wear them under my snowboard shell pants. I stay warm and they do not bunch. They are versatile. I can wear them around the house and out for walks. I love them.
5
Toasty
[ Driving around all day when it ’s cold out delivering mail and packages to the door, they help keep me warm and moving along. Oh come on, thanks for everything.
5
Lydn
[ The perfect merino base layer and lounging bottoms. Not itchy at all but soft, comfortable and stretchy. I 'm 5' 1, 108 lbs and the S fits well, not skin tight.
5
Prp74
[ I bought this wear at night during a backpacking trip. Worked perfectly when the temperature dipped to 30. More comfortable than the smart wool 150 baselayer.
$120.00
fit and design well- fitting tights in moisture- wicking stretch material premium double- knitted stretch fabric perfect for easy hikes and everyday outdoor life comfortable, high waistband that gives secure and “ hugged ” feel secure leg pockets with envelope...
5
Jo W
Really pleased with my purchase. Fit is perfect and really comfortable.
5
Sandra P.
Hike, run, great fit! Happy with them. I am usually wear a medium but with this model maybe Large.
5
Kasi M.
These are great hiking and every day tights! Based on another review, I thought they 'd be softer. But make no mistake, these are technical feeling tights... like running tight material. Definitely not a bad thing, just not what I was expecting. Regardless, they 're amazing tights and fit like a glove.
5
RMFAM
[ These leggings were purchased as a go anywhere do anything legging and have certainly lived up to that expectation. I am very impressed with the quality and durability of the material, the seams are tight and executed very well. I would recommend these to anyone looking for a legging that is a cut above in all ways. They are built for adventure and yet are still very comfortable and enjoyable to wear.
5
Finch
[ The tights that were made for hiking, riding and all else. Great fit, nice stretch and perfect weight. I am not the pocket lover would like to have option to not have, but if you but these you will enjoy.
$95.00-$130.00
I wore them skiing and hiking around and they were so comfortable! ... slim fit non- compressive ankle- length high- rise side hip pocket flattering design lines help you look your best ultra- soft thickness keeps you cozy, whatever the
5
Chris
[ Bought the set for my girlfriend and she absolutely loves it. She loves the fit and wants another set
5
emski
Very comfortable! Perfect for skiing& broadly wearing outdoors to stay cozy.
5
K Nicholson
This set is overall one of the best winter base layer fits I ’ ve had the chance to try out in the elements( as of yet). The fleecy layer inside isn ’ t too thick, so it will keep you decently warm while not feeling overly constricting( it won ’ t ruin or take away from your outfit either). If I was to give constructive feedback on anything, it would be that they are a little short in length( mind you, I ’ m 5 ’ 11 ”). So, I ’ m really not picky about that kind of thing( for leggings in particular). Especially as they do have a bit of stretch. I would say that they are relatively true to size, maybe size down if you ’ re on the more petite side of the spectrum.
5
Lauren
Amazing fit and keeps your warm as a base layer for skiing!
5
Beans
These are warm, comfy and fit nicely on the waist.
$39.99-$41.99
the brushed interior offers next- to- skin warmth and the single layer engineering ensures quick- drying comfort. ... pruf® women ’s quest performance base layer leggings deliver comfortable, flexible warmth under your hunting pants this
5
Figarohall
I bought these to wear under my jeans to an Eagles game and I was soooo warm.
$89.97
WAS: $120.00*
Very good stretch and warmth ... Warm, comfortable, and looks great ... Warm, breathable and comfortable ... Comfortable and warm base layer.-- considering more colors for next
4
Skippy
[ I ’ m a big fan of smartwool and needed new tights. These fit great and are actually not too long on my legs. I ’ m only 4 ’ 11 ” so that is usually an issue. They also fit my wide calves well.
$175.00
BEST HIKING TIGHTS! ... Great hiking leggings ... Best investment ever. ... fit and design extra hardwearing trekking tights with reinforcements over the seat and knees premium double- knitted stretch fabric made from recycled polyester with a...
5
Jules
[ I bought these tight/pants as my own Christmas present and I love them! Very comfortable, resistant and nice to wear.
5
Becca
I wore these hiking Quebrada Gata y Borosso in Costa Rica and I couldn ’ t have picked a better pair of trekking pants for that kind of hike. The quality and fit is top notch.
5
KayBee
I wore these on a four night trip to the backcountry. They were incredibly comfortable and I loved the zippered pocket. By the third day, I did have to pull them up a bit but the drawstring came in handy. Our trip involved multiple water crossings and I found these tights dried quickly, which was a relief once temperatures dropped. I am 5 ’ 10 ” 155lbs and purchased a medium- great fit!
5
Lizzy
I LOVE these! I have three colors and intend to buy the black pair: I wore them all day and barely noticed they were there. Incredibly comfortable, and they were not overly constricting. I am obsessed with these.
5
Embuzi
These were my very first Fjallraven purchase and have been my hunting/scouting pants for Colorado Elk Archery for the last 5 years! The reinforced knees and butt have been scrapped, snagged, and slid through mountains& forests and have held up incredibly well. After 250+ days in the field I finally retired then and bought another pair. Best investment ever.
$110.00
They are very comfortable and made with excellent quality. ... Nice fit and feel ... Excellent buy. ... My wife loves the fit and feel. ... stitched on adidas terrex woven branding made with natural and renewable materials as part of our journey to design out finite resources and help end plastic...
$106.00
regular fit wind resistant soft, brushed fleece backing four way stretch gives you total freedom of movement durable smooth outer face for easy layering gusset eases movement and reduces seam bulk covered elastic waistband for added warmth& comfort no fly front upf 40
$97.97
WAS: $130.00*
They 're very comfortable and keep me warm enough to enjoy the slopes for hours! ... Love it, it is light but warm I wear them all winter long ... I was worried I would never find thermals that would actually keep me warm but these do more than...
5
abeck
[ I received these as a Christmas gift. I love them under my bibs for snowboarding! They ’ re tight but flexible and comfortable. They keep me warm on the mountain.
5
shellydk
[ I could go on and on about this whole line from Smartwool. It's their best thing in a very long time and I 've been a fan for years. The material is very soft, has a great but comfortable fit. These bottoms also have a nice wide and sturdy waste band so there is no bunching or other uncomfortable nonsense in that area. These are very warm, so perfect under a shell pant or bib for alpine skiing, but I do n't think I would wear them on a tour.
5
Hmae
[ Love the style. These are very warm and keep me toasty on those cold days. Would recommend to anyone looking for a quality under layers... very cute!
$24.99
Keeps you warm ... He wears them every day and they keep him warm. ... I love them they are thin not heavy for laying a must buy brand if you want thicker and warmer thermal get the same brand in expedition version military fleeced
5
Lynn2025
I bought these for my son. He wears them every day and they keep him warm.
5
YOYO90
I love them they are thin not heavy for laying a must buy brand if you want thicker and warmer thermal get the same brand in expedition version military fleeced ok.
5
skiellen
Bought these for skiing to go under ski pants and worked well. Less expensive than most but did the trick. They do run large however. Large was huge!!! We ended up with a small for my son.
5
Socker mom1
Great product at a good price. We need to buy the shirt.
5
Tacomama
I bought these for my husband& he is very happy with the purchase
$100.00
I am so happy I purchased my smartwool leggings they are extremely comfortable! ... slim fit tights fitted high rise waist sits above the belly button to achieve a comfy fit breathable 4- way stretch fabric moves with you through every adventure and workout drop in pocket on left leg secure zip...
5
Richelle25
[ I am so happy I purchased my smartwool leggings they are extremely comfortable! Fit was true to size and they have amazing features.
5
Meghan
[ The merino leggings are fantastic for running on cold winter days. Nice plum color. Sturdy. Not stinky. Nice pockets. My only complaint is that they are a bit long, but this is not really a problem as the extra bunching just helps keep my ankles warm! I really love that I 'm not sending microplastics into the waterways when I wear and wash wool.# sweepstakes
5
Ronda
[# sweepstakes These leggings are so comfortable, I bought a second in a different color. I usually wear a Medium, but I like a bit of extra room around my waist and the Large is perfect for me.
5
Maia
[ Very warm comfortable, perfect fit, material is flexible but does n't lose its form but also does not constrict movement. Awesome, well made, good design
5
Clara
[ Awesome color, fits a bit small. Likely because it is a merino wool blend. Other Smartwool leggings in 100% merino wool fit just right.
$24.97
WAS: $39.99*
Bought these to go under my golf pants, and kept me warm and didn ’ t restrict me at all ... Keeps the warmth in and is comfortable to wear even under dress
5
jaywik
great fit- actually works- kept me warm- I did n't even know i was wearing them
5
Jon1818
Bought these to go under my golf pants, and kept me warm and didn ’ t restrict me at all
5
Pops123
I bought these for my snow boarding son. He likes them even better than a much more expensive brand name pair he owns.
5
Lanz58
Keeps the warmth in and is comfortable to wear even under dress pants.
$140.00
WAS: $150.00*
inseam: 75. 6cm ... knit™ body mapping technology to regulate body temperature without sacrificing breathability ... contains zone ... gusset for mobility and comfort flatlock seams to prevent friction hugs your body for a snug and secure base layer
5
david d
The baselayer withstood the rigorous environment at Mount Kilimajaro and performed vey well.
5
Aeneas Dog
[ I wear every day at work! Really comfortable and warm!
$60.00
These are perfect- warmer but not too warm, well insulated and VERY comfortable. ... My daughter love these for football as they are stretchy and help you keep
5
MN05
Love these leggings, bought them for myself and as a gift.
5
Rachele12
Great fit, nice quality. Yes they are a little pricey but worth the money
5
Nekita
The fabric is soft, stretchy, and moisture- wicking, so even during intense workouts, they remain comfortable and dry. The 7/8 length hits right above the ankle, which works well for a variety of heights. They also stay in place—no slipping or rolling down at the waist, which is a big plus. The only minor downside is that they run slightly small, so sizing up might be a good idea for a more comfortable fit. Additionally, while they are warm, they aren ’ t overly thick, so in extremely cold weather, you may need another layer. Overall, these leggings are stylish, functional, and ideal for chilly workouts or casual wear. Highly recommend for those looking for warmth without bulk!
5
Nikki g
I bought 3 pair I love them so much!! Great fit and comfy
5
PinkKris109
Love these leggings so much I bought two in black and going back for grey.
$98.00
regular fit four way stretch for unlimited movement made with fabric that provides an ideal balance of insulation and breathability, creating an optimal microclimate for all- day comfort smooth wide waistband for a flattering fit side pockets on both legs that easily fits a 3 '' x 6 '' smartphone...
$52.97
WAS: $70.00*
fit fitted baselayer leggings inseam: 29 1/2 ” technology ua base™ 3. 0 all season baselayer is extremely versatile, providing midweight warmth and mobility to a variety of activity levels and cold temperatures moisture transport system wicks sweat and dries quickly ua scent...
5
Barn girl
I bought these for my niece in fargo north Dakota. It's- 45 degrees around chill this week. She says they are great for the cold weather where she does out side work in a barn.
5
vanheelj4
My daughter uses this for Nordic skiing. Lightweight and keeps her warm without limiting mobility.
5
Mrs Marcellini
truly a must have warmer if you are a skier or like to be in cold weather! I had used these for years and I am so happy with them!!! Just buy! true to size, I am usually a XS/small and got a small on these.
5
Dmjdavis
These keep you so warm and they are so comfy
5
Soccermom7406
Fit true to size. Nice material
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