Truly, I have never had any product in wool that feels so good quality and that I feel will not wear thin in the sensitive-wear areas. I am a Norwegian and grew up wearing woolen underwear, so I am speaking from experience. I can move with ease and I also do not feel claustrophobic inside too much tight stretch and itchy sweat producing wool. Thanks for making such a great product that I hope (since it looks like it) will last me many years.

What a well designed garment. The fit is athletic and works for all ages. I am short ,only 5 foot 6 with a 31 ish waist ,
and the M is perfect . I can roll the bottom inside or outside for two great looks. The fabric is soft and the weight is just right to be used as
Sweat pants or for layering .

Great very comfortable and iomerino were on the ball efficient and helpful great service

Wore my ultra zip today. Went on a short 10k hike, in cold (15deg) wet conditions. I wore it as an outer layer, with a merino singlet under and a rain jacket over the top. It kept me warm and regulated my body temp throughout the day. Love it!

Great colour, true to size fit. Bought for bushwalking and general travel. Very pleased with the fit and how it does the job!

I tried the XXL as that was what size i measured for. they seemed a bit loose to me for compression leggings, so I decided to order the XL and try that. It is much better. there still is a loose spot/tiny gap across my spine, but less than the XXLs. I have a common issue where things are too tight in the hips, thighs, and butt, but too large in the waist. This is not just IO, but basically every legging I have tried recently.

I LOVE how these feel on, they breathe, and they are flattering. I do have to tug them up from time to time. They stay in place FAR better than the polyester leggings i tried from 2 different companies, and also don't get stinky with BO like the poly stuff (seriously, by the time i arrive at the gym I'm smelly with the other stuff, some days!)

I am looking forward to wearing these leggings for days on end when i travel next September - by train and hiking around. They should be warm enough, cool enough, and be incredibly comfortable to live and sleep in!

I have owned several pair of these crops for years. I finally had to give in and buy 2 new ones to replace my well-worn old ones. I wear a 4 or 6us shirt, 34B bra and I am 5ft4 about 135 pounds. Medium fits great. I love these things. Great support for my girls for yoga, running, wrangling rescue hounds, hiking. They never stink. I wash them on wool cycle (rarely). are comfortable. Thank you IO!

Bought in lieu of hi-viz Lycra top for rowing on Port River. It’s brilliant. Does all the right things.

This is comfortable and light & thin. I will use it in winter for my Street Pastor patrols, but possibly also when i go traveling or backpacking to keep the sun off and be a warmer layer to add if-needed. it should pack super small. :)

The best tee for any weather. Looking forward to seeing the new version!

It's winter here in my part of the US, and I got this along with some compression wool leggings to try. I'm tired of synthetic fabrics for workout clothes!

the vital is a lovely light layer that has been warm but also not too warm on an unusually hot day. I am hoping to be on a hiking and study tour in the end of summer so I expect this wool to regulate well in those temps too. I'm doing a laundry experiment by wearing this every day to see how long it is able to go without getting stinky BO. So far at a week it's definitely way ahead of synthetics!! (but this means i can't yet comment on how it handles being washed, of course)

I'm a female about 5'9" -5'10" and 200 lbs and the men's medium is good. i might go with small if I wanted this only to be a base layer so it would fit a bit tighter, but with the medium it can be both under and outer wear. I like the flexibility. it's a flattering fit for me. I look forward to traveling with a MUCH smaller wardrobe and less luggage, thanks to wool!!! Now i want several of these, so time to figure out the budget for that. :)

Just purchased a couple of pairs of briefs - so comfortable, I’ve been wearing them every day. Hope they prove to be durable as well.

I bought a few pairs of these after my sister recommended them. Super comfortable. They were great on our trip to Sri Lanka- it was really humid and after a long day of sweating and walking around they were still fresh and I could have worn them the next day if I wanted to. I was so impressed I bought some jocks for my husband and he loves them.

I've been buying merino undies for years and these have the edge over all others. Comfortable waistband and legs and super soft all around. Sizing is spot on. I just wore these for a 12km trail run, so have definitely put them to the test and they passed with flying colours. Oh so good.

Can confirm this crop is better than equivalent 'other' brand. It's like a second skin, so comfortable and soft, yet also supportive.

Warm, lovely texture, perfect fit for me. The only downside is that the zip that is supposed to provide the ability to go to the toilet without taking off the whole thing is not fit for purpose if (like me) you want to wear undies underneath. It probably would be fine for men. If that zip went flank to flank around the back, rather than vertically under the crotch from navel to back, that would be more functional.

The fit and material quality is great. This will be my go to first layer as it gets colder. I might have to get another!

I got this for winter runs. It hasn't been super cold where I live this year, but I did get to run in ~31 degrees the other day (in the evening). I usually wear a wool hat that my wife knitted but I experimented with sticking to the hood, which is perfect for keeping my ears warm for the first few miles. I felt about the same for the entire run after warming up, which is a huge improvement over the synthetic hoodie I was wearing at these temps, which feels less warm near the end of the run.

It did seem to need a wash beforehand. I wore it without washing and it had a bit of an odor that didn't reappear after a trip through the washing machine.

The weather here has been pretty varied lately. I wore these on three different runs this past week: One (14KM) high humidity at 50 degrees, one (10km) at 40 degrees, and one () in 31 degrees. These were comfortable at all three temps, and I barely even noticed I was wearing them. I'm comparing them to a pair of Under Armor leggings that don't do as well at the upper or lower range of those temps. Very pleased with these and I'll definitely be getting at least one backup pair.

I do wish there was a lighter color choice (like some of the other leggings come in gray). Fully black leggings without much in the way of reflective markings are a safety issue running at night. While I can just wear a light colored shirt and shorts, ideally I could also grab a different pair of leggings if the shirt I'm wearing is dark. That said, the black really looks fantastic, sooo ...

I have two of these in black and one striped-would get more but they seem to not be making these anymore :( The merino is the best quality, soft, breathable, warm when it needs to be, I always get a lot of compliments because the fabric looks high quality and the colors are very rich. This is a nice shirt for dressing up, layering, or wearing on the trail. It’s really my most versatile and very favorite item(s) in my closet. I can machine wash and dry, and I don’t have to wash after every wear because the merino stays fresh for days, which means less water waste and less money on laundry. It is THE perfect travel shirt for backpacking or jet setting, it is hard to wrinkle and you can wash it in hotel sink and it will be dry by morning. Please bring this beautiful, versatile, garment back in stock!

I own 3 of the Altitude Zips, worn on various ski trips in France as a base layer under my ski jacket. They have successfully kept me warm in the cold weather, even combatting a hail storm on the slopes this week. They also helped to regulate my body temperature when the sun was shining, I just zipped down the front to keep me a bit cooler. And as promised, no smell, even after 3 days of intense skiing. The colours and design also look quite fashionable for the apres ski :). Quick shipping from Australia to England, arrived in a few days.

The tracksuit trousers are a lovely green colour and very soft. I will wear them a lot. The pants are also my favourite and have several pairs.
I just wish things would not arrive all packed in plastic as we are all trying our best to not use plastic anymore.

This is my first ioMerino purchase. At first glance the shirt seems really thin and not as long as I hoped (I should have read the details they changed the fit) However still cute and will hopefully last through many training miles. Unfortunately I got hit with huge duty coming into a Canada (ioMerino did warn me about this) however it was $46 on top of an already very expensive shirt. (Warning for fellow Canadians!) So hopefully it will last forever! I am usually a size medium and ordered a medium. I would say shirt is TTS, I would love to see a little more added to the length however again overall pretty good. Shipping was very fast!

I cannot say enough good things about these pants! I found the holy grail! I got the medium and I’m a size 6 in Lululemon Align Pant- my former go-to, before these hit the market- which fit great but never lasted that long, and more importantly were not wool. These are made from the IDEAL merino fabric: soft, stretchy, perfect compression, comfortable, you can wear them day after sweaty day and look sleek, fit and fresh. Warm or cool these pants are making you comfortable. The waist band, fits to your form like the Align (absolutely no muffin top no matter your figure), but with more compression, that makes you look instantly more fit. I’m just so happy to have found my true pant love. Super versatile, from snow, to trail, to treadmill , to studio, to sofa. Worth every single penny. Can’t wait to save up for a second travel pair! The only pant-like-this you need for all seasons and reasons.

Very comfortable light weight merino hiking top. I am usually a size 10 but got a size M as I prefer things not skin tight and this does the job perfectly. I also love the colours