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Outdoor Research Ferrosi Convertible Pant - Men's

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Ferrosi Convertible Pant

Fewer pants excel in the shoulder season like the Ferrosi Convertible Pant from Outdoor Research. You can feel confident pushing peaks into late October even if a freak rainstorm hits and soaks you to the bone-within the hour you'll be dry and moving quickly to your objective. Not only do they wick away moisture, but once things heat up they stay true to their name and you can switch from pants to shorts as fast as you can say Ferrosi.

For those who like to get directly vertical on limestone faces or granite slabs, the convertible Ferrosi's are reinforced in key wear areas for long days in a harness and offer movement-mirroring stretch for those tricky technical moves and high steps.

  • Convertible pant for unpredictable shoulder season weather
  • Movement-mirroring stretch for technical trails or climbs
  • Reinforced key wear areas for more time spent adventuring
  • Waist loops keep pants tight after days of use on the trail
  • Material composition provides stretch and abrasion protection
  • From the best-selling technical Ferrosi line
  • Item #ODR00W3

Material
86% nylon, 14% spandex
Fit
regular
Inseam
32in
Leg Opening
straight
Pockets
2 front, 1 zip thigh, 2 back
Waist
belt loops
Fly
zipper, button
Gusseted Crotch
yes
UPF Rating
50+
Claimed Weight
13.1oz
Recommended Use
backpacking, bouldering, canyoneering, casual, hiking, sport climbing, trad climbing, ultralight backpacking
Manufacturer Warranty
lifetime

Tech Specs

What do you think about this product?

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>Rating: 5

Fantastic 3 season pants

Familiarity:
I've used it several times
Fit:
True to size
Size Bought
38-32
Height
6` 4"
Weight
240 lbs

Really really great pants. I bought these while hunkered down in the Linville Gorge during the Pandemic. Hikes out here during spring range anywhere from 40-85 degrees and from lightly maintained trails to those covered with brush. These pants are warm during the cool weather and surprisingly breatheable in warm weather (much more so than my prana Zion pants). The microfiber waistband is a nice touch that makes wearing a pack with a hip belt very comfortable. The zip offs are a nice feature as the day warms up, and I think these actually look great as both pants and shorts. All in all, definitely a five star product

Really
>Rating: 5

Super Functional

Familiarity:
I've put it through the wringer
Fit:
True to size
Size Bought
30x32
Height
6` 0"
Weight
140 lbs

I wore these pants on the PCT and they work great. Loved having the ability to make them shorts. While Thru-hiking the more purposes you can get out of one item the better it is. Being able to wear these on chilly morning or on exposed ridge lines whens its really wind, and then being able to convert them into shorts when it gets hot or you have to cross a ragging river was key. They are also some of the most comfortable pants I've ever worn, I often call them my pajamas because they're that comfortable! They do really well as a wind breaker and with the DWR finish they defend against light rain and snow. Which was super helpful this year on the PCT as we got a lot of rain and it was a 200% snow year in the Sierras. Overall these are rad pants and will be using them on more backpacking and alpine climbing trips.

So glad you like them, Spencer! Enjoy, Leta OR Rep

>Rating: 5

Awesomepants

Familiarity:
I've used it several times
Fit:
True to size
Size Bought
30x32
Height
6` 0"
Weight
160 lbs

I bought these pants new and wore them for a week straight on a trip in the High Sierra backcountry. These pants are great, they're so lightweight you barely feel that they're on! Also, the DWR is very water resistant, I can be in a light rain shower or have water splashed on me and the pants still feel dry. In the Sierras with their short rain showers, you won't need to switch to rain pants since these pants already dry so quickly. Next, the material is very durable. I was sitting on sharp rocks all the time and rubbing my butt against them, and there doesn't seem to be any marking on the fabric. Some other things: the fabric is a bit stretchy so be sure to order your actual waist size so they'll fit better. Also they're zip-off pants but the pant legs don't have side-zips, so if you wear boots you'll need to remove them to undo the legs (not an issue with trailrunners though). Note that there are elastic pulls at the pant bottoms you can also just give them a tug and wear the zip-off portions like they're gaiters. In short, the pants are light, fast-drying, and durable. Not much to dislike about them! I'd take them bouldering in a heartbeat.

Thank you Will! Leta OR Rep

>Rating: 5

Amazing pants!

Familiarity:
I gave it as a gift but have feedback to share
Fit:
True to size

I got these as a gift for my dad and the second he put these one and moved around in them, felt how they stretch and how light weight they are, he can't wait to hike in them in Norway.

Thank you Kaitlyn! Leta OR Rep

>Rating: 4

Not as good as my Prana Stretch Zions

Familiarity:
I've used it several times
Fit:
Runs small
Size Bought
30
Height
5` 8"
Weight
170 lbs

Pros: Lightweight, breathable, good mobility/stretch Cons: Pockets are too small, fit feels a bit tight around the thighs. VS Prana Stretch Zion Convertible: Lighter than Pranas, but also less wind/water resistant because of the fabric weight. Pranas have much more generous pockets. Both pants have equal amounts of stretch and mobility from what I can tell. These pants would be best used in warmer weather.

>Rating: 5

Nice travel pants

Fit:
True to size
Size Bought
36
Weight
218 lbs

Color mushroom is a nice gray brown. Material is quite stretchy but looks nice and appears pretty tough. Fit is great, not to lean and not baggy. Pants are long so they can be hemmed. Zipper side pocket sits low and is small but big enough for my passport or wallet. Look good enough to wear to dinner. All pockets could be a bit bigger but are adequate. 2 back zipper pockets. I've looked at many travel pants and these are the best I've found overall.

>Rating: 5

Best gift

Familiarity:
I gave it as a gift but have feedback to share
Fit:
True to size

I gave these as a gift to my brother-in-law. He says they were the best gift he received for Christmas. He has already owned a few pair like them before, so he knew how good they were when he opened the box. He says their versatility is key for any outdoor adventure.

>Rating: 5

Great blend of style, technical features

Familiarity:
I've used it several times
Fit:
True to size

These pants work wonderfully for every situation, from business board meetings to backpacking trips. Water and stain resistant, sleek-looking, breathable and abrasion-resistant.

>Rating: 5

Good Pants

Familiarity:
I've used it several times
Fit:
True to size
Size Bought
34
Height
6` 1"
Weight
190 lbs

Really enjoyed these pants so far. As has been my experience with other OR products, the quality is very high. No loose threads or defects that I can find. Scores high in the looks department as well. Pants are pretty lightweight but do a decent job of blocking the elements for what they are. No trouble moving in them. Only ding I give them is for the front pockets. Weird angle, to get hands in them you have to come in from the front and straight down. But I didn't loose anything I put in them so I can't complain too much. I bought these in 34, but also tried on the 32s. The 32s fit but were a bit snug. 34s are quite a bit looser and sit lower on my waist but I've got room to add a layer underneath if needed.

Really
>Rating: 5

comfort

Familiarity:
I've put it through the wringer
Fit:
True to size
Size Bought
34
Height
6` 0"
Weight
185 lbs

Ferssoi pants are the most comfortable pants I've ever own. fit great, look good

>Rating: 5

Outdoor Research Ferrosi Convertible Pant

Familiarity:
I've put it through the wringer
Fit:
True to size

these are great pants, very comfy, love the stretch.

>Rating: 5

Versatile hiking and travel pant

Familiarity:
I've used it several times
Fit:
True to size

My search for the perfect soft-shell hiking pant has finally come to an end! I was looking for a convertible pant that was comfortable, stretchy, wind and water resistant, but most important breathes well. And the Ferrosi series nails it! This summer I have worn these pants for backpacking and for long international travel / flights. Strengths: Breathability. I am a sweaty beast, and any material that is actually waterproof is too sticky for me to wear next to skin. The comfort of the ferrosi line is amazing. Weaknesses: Not waterproof. If you are looking for a waterproof softshell then this is not the pant for you. Fit: I normally wear a 31" waist in jeans and the 32" Regular fit slightly loose and perfect with a belt. The shorts zip off to just above my knee, and I do not notice any discomfort from the zipper while hiking. They are perhaps a little long, but fall nicely over a pair of hiking boots or shoes.

>Rating: 5

Great Backpacking Pants!

Familiarity:
I've put it through the wringer
Fit:
True to size

As I prepared for a trip to the Wind River Mtns this September, the one thing I needed was a good pair of durable, comfortable convertible pants. I decided to go with the Outdoor Research Ferrosi Pants even though the review wasn't that favorable. I was super happy that these were the pants I chose. I couldn't be happier with how they performed, how quick they dried, how comfortable they were, and that they show zero signs of wear even though I bushwhacked for 30 miles. The two things I had questions about was the placement of the zipper (which also determines the length of the shorts) and that these pants don't have a 'boot' zipper to allow easy removal of the lower legs when zipped off for shorts. In my experience both of these are non-issues. I really liked the length of the short (a bit longer than others I tried) and I never experienced any discomfort after hiking 30+ miles in some seriously difficult terrain from the zipper rubbing against my knee. The zipped off portion of the pant were easy to remove due to the stretchy nature of the material. My overall impressions is very good! They pants are much more durable than the average taslin nylon backpacking pants, the stretch allows for much more freedom of movement, and I even liked the front pockets which, in my opinion, were designed to be easily accessible while wearing a hip belt. I liked the side pocket's vertical zipper as I used this to access my iPhone for pictures along the way. I would highly recommend these for desert (durable, breathable, and incredibly comfortable), mountain, and just hanging around camp.

>Rating: 4

Versatile travel pants

Fit:
True to size

These are my go-to pants for air travel between cool and warm climates. Great to be able to zip off the legs just before landing. Material is packable, light, yet tough enough for bush hikes and climbs. Not sure how a previous review finds the leg zippers at the wrong height, they fall well above my knee. And the waist and inseam length were a standard fit. I agree that a good design addition would be to have a zippered opening at the leg hem, it would facilitate easier on/off when detaching the leg bottoms. Hopefully these pants aren't discontinued, I'd definitely recommend them.

>Rating: 2

Bad Placement of the zippers

Familiarity:
I returned this product before using it
Fit:
Runs large

The zippers for the convertible feature fall right on your knee. Bad placement .. they are aggravating to move around in.. That's the whole point of these pants. Also, unlike the regular pant there is no cinch at the ankle. I also find the pants to run a bit big in the waist and the length. So back they go and exchanging them for the regular pant in a smaller size.

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>Rating:

Where can I find the inseam length for when you zip off the leg portion of these pants? Specifically for the 30x32, I want to know if they will sit above or on my knee.