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Reviews > Clothing > Shirts > Ibex Shak Jersey > Michael Lissner > Long Term Report

Long Term Report of
Ibex Shak Jersey

By Michael Jay Lissner

1 April 2005


Contents of Report:
1. Tester Biographical Information
2. Backpacking Background
3. Product Information
4. Product Description
5. Conditions of Long Term Testing
6. Results of Long Term Testing
7. Conclusions



1. Tester Biographical Information
Name: Michael Jay Lissner
Age: 22
Gender: Male
Height: 198 cm (6' 6")
Weight: 88 kg (195 lb)
Measurements: Chest: 104 cm (41"); Neck: 38 cm (15"); Sleeve: 86 cm (34")
Body Fat Percentage: Roughly 14.5% as measured electronically.
Build: My body is very tall and lean, making me very susceptible to cold weather and short sleeves.
Email: yourmothership at hotmail dot com
City of Current Residence: Berkeley, California (near the San Francisco Bay Area)
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2. Backpacking Background
I have been backpacking for the greater part of my life. I started with traditional backpacking with the Boy Scouts, but my current style is a highly minimalist one relying on more skill and discomfort and less on creature comforts and toys. Although my backpacking style is an evolving thing, at this point I usually clock in 27.4 km (17 mile) days with a base weight (without food or water) of about 4.6 kg (8 lb), including my tarp, frameless pack and down quilt. My usual stomping grounds are any of the terrain within three hours from the San Francisco Bay Area including Desolation Wilderness, Emigrant Wilderness, Point Reyes National Park, Yosemite and others.
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3. Product Information
Manufacturer: Ibex Outdoor Clothing, LLC
Manufacturer's URL: http://www.ibexwear.com
Product Name: Shak Jersey
Size and Color Tested: Large, Cerulean Blue
Advertised Dimensions: Chest: 107-112 cm (42-44"); Neck: 41-43 cm (16.5-17" ); Sleeve: 89-91 cm (35-36")
Measured Dimensions (unstretched): Chest: 109 cm (43"); Neck: 46 cm (18"); Sleeve: 89 cm (35")
Measured Dimensions (lightly stretched): Chest: 126 cm (50"); Neck: 56 cm (22"); Sleeve: 99 cm (39")
Advertised Weight: 11.5 oz /sq yd
Measured Weight:  508 g (17.9 oz)*
*Weight was measured on a Sunbeam digital scale that claims accuracy to 1 g or .1 oz.
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4. Product Description
This is a merino wool jersey with a ½ zip. For a much more complete description of this jersey, please seek out my initial review, or that of one of the other testers.
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5. Conditions of Long Term Testing
Since the field report, I have been using this jersey quite a bit. I have used it both as an everyday layer, and also while running, hiking, backpacking and mountain biking. During each of these trials, I was able to learn a few things about the jersey. The majority of the time that I spent with this jersey was spent in the San Francisco Bay Area, and, the backpacking trips were to Big Sur State Park and Big Basin State Park. The temperatures during those trips tended to be around a high of 21 C (70 F) and a nighttime low of about 5 C (40 F). These are coastal areas, and the elevation of the trips that I took varied between about 10 m (30 ft) to about 1000 m (3,300 ft). The terrain in these parks tend to vary a great deal, including conifer, oaks, chaparral and riparian habitats.
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6. Results of Long Term Testing
Overall, I find that I like this jersey quite a lot. It has a lot going for it. That said, I think it will soon be replaced by my old reliable fleece anorak. I've greatly enjoyed a number of the features of this jersey, but certain things about it make it less than ideal for backpacking.

Probably the biggest problem I have found with it is - somewhat surprisingly - water. I've worn it in a cold rain a couple of times. The first time, I was just hiking around, so I was able to take some risks with the water that I would not have taken if I were out backpacking. I let the rain come down on my shoulders for a little while to see how the jersey would handle it, and I'm sad to say that in short order the rain penetrated the jersey, soaked it through, and was instantly cold and clammy. In short, I was not impressed. The marketing blurb from Ibex's website says that "Dense knit breathable Merino sheds water, snow and wind". I have NOT found this to be true. I've noticed that winds go right through it, and that rain saturates it in minutes, leaving it very cold. What's worse, I've also noticed that it wicks rain. For instance, one of the times that I wore it in the rain, I put my Marmot Precip jacket over the top of it, and after about thirty minutes of wet hiking, I noticed that the cuffs had been slightly exposed, and that they had wicked water upwards several inches under the waterproof jacket - not cool, especially when you're trying to stay warm in the rain.

The other problem this causes, in addition to being cold is something that I mentioned in my Field Report. This jersey does not dry very quickly at all, and cannot be thrown in a dryer to speed things up. Once it gets wet, it shall remain wet until the cold weather has passed. Of the four times that I have washed this jersey at my house, never has it dried overnight, even during warm weather. On average, it has taken about a day and a half to dry out completely after going through the spin cycle. At longest, it took three days to dry completely while hanging in my house.

In regards to wind, I've also noticed a problem here. Even though it does have a fairly dense knit, wind can definitely penetrate this jersey without too much trouble. I haven't been out in too many strong winds with this jersey, but the light winds that I have been in were able to get through the jersey at my skin. This, however is also a good thing, because one of the things that I like best about this jersey is the very fact that it adjusts to heat output very nicely, which is to say that if I put it on in the morning while leaving camp, I can usually wear it almost until noon before I start heating up too much. By pushing up the sleeves (that stay up all day) and unzipping the zipper, this jersey adjusts marvelously to varying temperatures. In fact, I've never worn anything that adjusts so well, and I believe it is because of the ability of my body heat to get out of the jersey while hiking.

On the subject of the sleeves staying up, that's one other thing that I ought to mention. Every time that I've washed this jersey it has shrunk a little bit, only to stretch out again the first time that I wore it afterwards. Not a big deal, but something to note. I also noted that the sleeves of this jersey never lost their stretch, which was very nice. They comfortably go up over my forearms and stay there for as long as I want them to. I should note here that the reason I have washed this jersey three of the four times was not because it got smelly, but rather because it got muddy while mountain biking. In fact, this is another of the properties that I like best about this garment. It simply does not get smelly. I've worn it a lot, and often while running, or under a smelly synthetic shirt and it just remains odorless. I washed it once towards the middle of the test series just for good measure, again not because it was smelly.

There are two other things I should mention about this jersey. The first is that it is the only piece of gear that I own that I can wear in good faith to informal parties. It's a stylish garment, and surprisingly enough, I like looking good while out on the trail. The slightly tight fit is great, even though the neck is a bit loose, and the clean design is quite nice.

The second thing that I should mention is something that I need to revisit from the earlier reports. I noted in the Initial Report that some of the cuffs had unraveled a little bit, and even included a picture of the threads. Since that time, I've kept my eye on this, and noticed it get progressively worse. I have several times noticed inches of thread hanging off one of the seams, with the worst offender being a section of one of the cuffs that has come undone to some extent. It seems that the seams on this garment are not holding up. I've noticed that they come undone, but I've also noticed that they get caught on the hooks of hook and loop tape far too easily. My gloves have hooks on the back of them to make them stick to the shells they go inside of, and these hooks have consistently caught on the wool. In addition to this, it seems that the seam around the bottom of the jersey has gotten rather frayed all across the front, I'm guessing as a result of being under the hipbelt.
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7. Conclusions
After having used this jersey for a number of months, I have come to the conclusion that it has some great properties, like the ability to adjust to heat output, and the great fit, but also that it has some serious difficulties coping with wind and water. I like this jersey for hard exercise like running and mountain biking, but for backpacking, I find it to be too vulnerable to weather changes.

Thanks to Ibex and BGT for this test series.
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