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Reviews > Clothing > Jackets > Big Sky Products Convertible Jacket > Andrew Priest > Field Report

big sky products better-than-fleece jacket and better-than-fleece convertible sweater
Field Report
June 13, 2006

Author wearing the Big Sky Products Better-Than-Fleece Convertible Sweater at Four Miles Beach

Andrew wearing the convertible sweater at Four Miles Beach

Authored by

Andrew Priest
Perth, Western Australia, Australia
aushiker@yahoo.com.au

TABLE OF CONTENTS

Andrew, the tester:

I am a 46 year old male, 180 cm (5' 11") in height, I weigh 104 kg (229 lbs). I have been bushwalking in Western Australia for approximately five years. For the past four years I have been regularly walking and leading on and off-track pack carries with the Perth Bushwalkers Club and more recently I have also got into geocaching. I consider myself as moving towards being a lightweight tent-carrying bushwalker with my pack base weight in the 8 to 12 kg (18 to 26 lb) range.  In 2003 I completed my End to End of the Bibbulmun Track. I have also thru-hiked the Cape to Cape Track, the Coastal Plains Walk Track (numerous times) and the Larapinta Trail (July 2005).

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Andrew's testing playground:

The bushwalking environment of the south-west of Western Australia allows for bushwalks and backpacking from coastal plains to forest. Elevation ranges from 0 to 585 metres (0 to 1,920 feet). Within this region, I walk in varying conditions from forestry roads, to sandy tracks to single-purpose walking trails, to rock hopping, to beach walking to completely off-track walking through open and dense country.

 

 

 

The testing environment:

During the summer period, daytime temperatures average 30° C (86° F), whereas from March through to December the daytime average temperatures range from 15° C to 26° C (59° F to 79° F). During the autumn, winter, and spring periods the normal weather pattern is fairly wet with frequent heavy rainstorms evident. It does not normally snow in Western Australia.

According to The Times Atlas of the World (Concise Edition - Revised 1997) our weather is described as being "Mediterranean - rainy climates with mild winters, coolest month above 0° C (32° F), but below 18° C (64° F); warmest month above 10° C (50° F)." The atlas depicts the coastal area north of Los Angeles as having the same climate.

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Product Details: This test series is of the Big Sky Products Warm-n-Cozy Better-than-Fleece Jacket and the Better-than-Fleece Convertible Sweater. As the product names suggest, they are designed to be worn in combination or separately as desired by the wearer.  The sweater is a convertible (the sleeves can be zipped off) type of jacket which is one size smaller than the outer layer, the Jacket. Big Sky products describe the Sweater as an "insulated sweater and vest." Both the jacket and the sweater's outer shell are made of Pertex Microlight with a durable water repellent finish (DWR) and the insulation is PrimaLoft Sport 1.8 oz (60 g). Both feature full front YKK zippers, elastic waist cuffs, YKK zippered hand warmer pockets and a bottom elastic drawcord.  The sweater has an additional feature of zip-off sleeves at the shoulders.

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Specifications:
  • Manufacturer's specified weights:
    • The manufacturer does not specify a weight for my size sweater (XL) or jacket (XXL).
  • My weights are:
    • Sweater, size XL = 403g (14.22 oz)
    • Jacket, size XXL = 377g (13.30 oz)
Field Report:

"Found the flexibility of the combination of the jacket and sweater a big plus"

My field testing of the Big Sky Products Warm-n-Cozy Better-than-Fleece Jacket and the Better-than-Fleece Convertible Sweater occurred on three bushwalks/camping trips.  The first was a nine day bushwalk (actual eight nights) in the Fitzgerald River National Park in April 2006. The second bushwalk was a weekender in the Julimar Conservation Reserve in May and finally I got one nights camping in at 37 Mile Break in the Avon Valley National Park in June, 2006. A total of 10 nights testing of the sweater and jacket.

Feeling the antartic winds as I admire the views

During the Fitzgerald River National Park walk in April (autumn) bushwalk the overnight temperatures did vary from conditions where it was too warm even for just the sweater to nights where I wore the sweater and jacket and for me, a first, one day where I wore the sweater all day in its vest format, while I was walking (see photo). According to Bureau of Meteorology the average minimum in the eastern end of the park during the walk was 10 C (50 F). I suspect, however, that we were a degree or two colder than the given minimum.

On one day I resorted to wearing the sweater as a vest, I was seriously feeling the cold southern ocean (read Antarctic) winds. The walking on this day included some serious scrub sections where risk of damaged to the sweater was high. I am pleased to report that the sweater survived this day without damage.

Overall on this walk, I found the sweater and jacket work fine and I really found the flexibility that the combination provides great.

For the Julimar Conservation Reserve walk in May (autumn) where we camped at Spice Brook, the nearest town's recorded overnight minimum was 13 C (55 F). On this trip I just took convertible sweater given I expected the overnight temperature to be mild. At camp I found it was too warm to wear the sweater in the evening but did wear it around camp Sunday morning. I found it kept me comfortable just wearing it over my walking shirt underneath. Also at this camp we enjoyed a night of bushfire smoke and a low intensity fire burning approximately 100 - 150 metres (320 - 500 ft)  up hill from us. I am pleased to report that I found no evidence of the sweater taking on board any smoke smell.

My final night's testing of the jacket and sweater was at 37 Mile Break in the Avon Valley National Park in June (winter). On this night the nearest town recorded an overnight minimum 6 C (42 F). I wore the convertible sweater in the evening and again in the morning, when the temperature got to around 8 C (46 F). I found the sweater comfortable and warm and that I did not need to put on the jacket as well.

Referring now to my test plan as published in my Initial Report, I will comment on the various aspects that I planned to focus on; a summary if you like of my findings to date.

  • Functionality of the jacket/sweater/vest combination that these two products provide:

As my opening comment states, I really like the flexibility of the combination of the jacket and sweater. There have been times when I have worn both, times when I have just worn the sweater, times when I have worn the sweater as a vest and times when I have just taken the sweater. I think that says it all in terms of flexibility!

  • Warmth they provided both in dry conditions and wet conditions:

As often seems to happen when I am testing something which requires wet conditions, it stays dry. This is again the case with this test. I have only used the sweater and jacket in dry warmish conditions to date and I am very happy with the outcomes. I have in particular found the sweater to be a great addition to my gear.

  • Durability of the material during wearing around camp, day to day wear and backpacking keeping in mind the lightweight durability of the material:

My usage has been all around camp with the exception of one day walking in the Fitzgerald River National Park when I wore the sweater in vest mode during the day whilst walking. This day's walking was pretty much all off-track, often through thick and very aggressive scrub. I am pleased to report that the sweater come through this without damage and both the sweater and jacket have not been damaged on any of trips so far.

  • Wind resistance of the jacket and sweater:

I put the effectiveness of the wind resistance of the jacket and sweater to the test on the Fitzgerald River National Park walk when we encountered winds off the Southern Ocean most days. It got so cold on one day that I resorted to wearing the sweater in vest mode, something I normally don't do. I found the sweater was very effective in these conditions, i.e., was good at protecting me from the cold winds.

  • Resistance to rain and when damp, how do they perform keeping me warm:

Not been able to test this aspect due to the weather not cooperating.

  • Functionality of the zippers and drawcords:

Have experienced no issues with the zippers or drawcords. Find the zippers do not tend to snag, found it easy to un-zip the sleeves on the sweater and general use of the zippers and drawcords has been without issue.

So in summary:

Things I like:

  • I like the way the jacket and sweater are reasonably compressible within my pack - made fitting them in so much easier;
  • I like the degree of warmth provided given my conditions;
  • I love the versatility of the laying options including removing the sleeves on the sweater.

Things I don't like:

  • Nothing of note so far.

Relaxed in the vest at Gordon Inlet
Relaxing in the Big Sky Products Better-than-Fleece Convertible Sweater at Gordon Inlet, Fitzgerald River National park

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