If you do ANYTHING outdoors, consider these convertible pants. They're comfortable, and are sized very accurately. If you're feeling bloated, or need to tighten them to escape a bear, you can easily adjust the built-in belt that keeps them secured around your waist. The stretch fabric is soft, and forgiving when it comes to chaffing. There is enough ventilation in the nether region to keep things cool when you need it most. They have ample pocket storage, and so far are resistant against scuffs and rips while rock climbing. The convenience of having shorts/pants in one package is unparalleled, especially for adventures that start early/go late, multi day trips, and occur during seasons with unpredictable weather.

Went on a 10 day backpack trip with 2 pairs of pants and ended up just wearing these the whole time because they were so comfortable. There were a few down pours and I stayed dry. They show no sign of wear and I will most likely buy another pair. Best hiking pants I have ever owned!

Since purchasing these pants, I have worn them on 6 day hikes, traversing non-technical terrain, totaling ~60 miles. The pants have literally worn themselves out. There are sizable holes located on the inside of each ankle where the pant legs have occasionally brushed against each other. IMO these pants have proven to be incredibly flimsy. I have never owned a pair of pants that have worn out so quickly & easily. Two thumbs down.

Why carry more than you need to? Shorts plus pants and shoot, even a swimsuit. These are a bit thicker than other convertible pants and feel more durable while still maintaining amazing movement with the stretchiness. There is a reason for the reputation these have acquired. My only nitpick on these is I wish the legs were cut a bit trimmer, but overall an excellent piece of gear.

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Just got these quickly from backcountry. The pants feel comfortable and well made. I am very happy with the pants and can't wait to use them for bicycle touring. I know they're for hiking but these will come in handy on tours when camping or when a nice pair of pants may be required attire!

Perfect fit and they look great. I just bought my second pair because they are my favorite pants for any outdoor activity. Backpacking, camping, canyoneering, fishing, they are the perfect pants for anything. Zippered cargo pockets and below the knee zipoffs.

"Free two day shipping" takes like 7 days.

So far I've used these for around-town errands, climbing, dog park visits, and jogs. I want to describe these as having a near-gym-shorts like feel but with serious construction. They are so comfortable.

The construction is great. The only complaint I have is how they fit on the behind...but I suppose that's because of the gusset crotch construction (which has airholes for breathability)for comfort.

There are 6 pockets. Two at the back, two at the sides, and two cargo. I was a bit disappointed with the cargo pockets...they're a bit tight and hard to get things in and out of. They have two zipper pockets for two-way access (Which is nice).

Zip on and off easily. Once zipped off, the pants kinda hang like slim but semi-long skater shorts. Wish they were more above-knee.

These pants are described as DWR coated (in this case Scotchgard). However, upon first usage...they wetted out pretty easily. So I applied another coat and now water droplets are beading like they're supposed to.

The fitting is perfect. Not baggy. Waist is correct.

I tried a bunch, but stopped now. These stretch Zion convertible pants are all I wear outdoors while backpacking, hiking, camping, etc. They are heavy enough to be durable and so, so comfortable. A slight bit warm until I move just right to use the breathe holes in the crotch. I have two non-convertible pair for work. Very, very comfortable. Love the cargo pockets!

Just an all around really solid pant for getting out and moving. Love the stretch in them. They do run a little tight in the waist. I usually wear a 30 waist in all my pants but I probably should have gone with a 31 to add a little more room to move in the waist.

I have been a fan of Prana for several years, especially the stretch Zion pants. I own several non-convertibles as well as another pair of convertibles n another color, and they are always the first ones I reach for whether I'm hiking, backpacking or climbing. They are the most comfortable pants, they move and stretch well, the DWR works great, and they wear well over time. the zippers are well-made and they let you "vent" your legs as well as removing them. Can't say enough good things about these pants-- oh yeah, they come in odd waist sizes for guys like me, where a 32" waist is too big and a 30" just a bit too snug; gotta love it!

I was already in love with the Prana Zion when I started looking for a convertible for a long trek. This one was a no-brainer. Once I found out I could get a zip version of my favorite pant I was stoked. I also really like that the zip is a little further down the leg than others I've tried. Very comfortable.

I love these pants. First of all they are quite comfortable and fit very nicely in all the right spots. They seem to not have any excess material anywhere on them. I love the crotch air vents and the multi-entrance  zipped cargo pockets. My favorite feature is probably the direction of the zip off legs. Each leg zips from the inside of the leg toward the outside of the knee. I found this useful when creating some even airflow in the leg, without having to zip them off completely. Once I did zip them off, I was pleased to have the lower legs slide off over my hiker shoes. Great, great pants.

Fit well and the stretch was great for hiking. The only reason I can't give 4 of 5 stars is that while the legs have a good stretch, the waist does not. The pants fit me well on the waist while standing up right and hiking. When needing to bend over, for example setting up the tent, the waist didn't have much give and was a little uncomfortable. If you're on the edge of a size, be safe and go up.

I used these pants for a week of hiking in northern Sweden. I was immediately very impressed by how comfortable and stretchy they are when I got them. The built-in "belt" is very convenient and works great. And the fit is true to size (I'm 6'0 with long legs and a 32x34 is a relaxed fit). They kept me cool when it was warm, kept me warm when it was cold, and most importantly, kept me dry when it was wet. Throughout the week of hiking, I was forced to ford streams a foot deep or more, trudge through slush two feet deep, etc. so my boots and socks (and eventually gloves) were perpetually wet. But not these pants - they dried off super quickly! They were so good that I wore them and nothing else for the rest of my travels, and have been wearing them back at home for everyday use. The muck and dirt I got on them washed off easily, and they have no signs of wear. I really can't recommend them highly enough! (That reminds me, I need to pick up another pair.)

These pants are great they look high quality. The feel high quality. Love them

I wanted a pair of these pants months before I actually bought them, and I wasn't in the least disappointed when they arrived. If you climb, mountain bike, hike, or anything else in the woods these pants are for you. They stretch nicely and fit true to size. Not to mention they zip off into shorts. Wonderful all around pants, I highly recommend them!

These pants are my goto pants when hiking. I've even used these pants so much as I even cut grass in them. They have repelled harsh rain and snow, deep snow had to be brushed off but that was okay. The pockets are awesome I can actually carry a pocket knife and it not dig into to me every which way. They do fit to size for me 5'6" 133lbs, I can fit an iPhone 4s in one thigh pocket and keys in another and be comfortable. The reasons I only give it four stars are these:

1: the zippers are a pain in the ass to operate, this might be due to the fact of some type of water repellent used on them.

2: they are a low cut pant, they sit below the belly button I always feel like I'm constantly hiking my pants up like a girl.

3: shallow crotch area, probably due to use for rock climbing harness.

4: the so called belt...sucks. It's smaller than a cat toy.

Other than that I would totally recommend these pants and will be in the market for another pair, just need to decide which color I need :)