No. 51008
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Lightweight fleece jacket with revolutionary air flow system.

USD 180.00 USD 135.00

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Lightweight fleece jacket with revolutionary air flow system.

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Lightweight fleece jacket with revolutionary air flow system.

Professional skiers, climbers and sailors challenged us to offer them the most versatile jacket imaginable. Because they encounter every type of weather imaginable. We created a jacket with the H²Flow unique air pocket body temperature regulation system that retains body heat when you need it and let you ventilate it out when you want to. The ultimate middle layer or stand alone jacket for outdoor athletes who never want to come inside.


  • Polartec® 200g brushed fleece in main body with air pocket perforations
  • Brushed tricot inside collar
  • Tricot lined sleeves for improved movability
  • YKK® zipped hand pockets
  • Mesh protecting the construction during intense activities
  • Open mesh inside allows air to flow between air pockets and body
  • Zippers in front for mechanical ventilation and stimulate air flow
  • H²Flow mechanical ventilation system for adjustable insulation level
  • Polyester shell outer fabric locks heat inside the air pockets


  • Close zippers before washing
  • Machine wash in luke warm water
  • Tumble dry - low heat
  • Do not dry clean
  • Do not iron
  • Do not bleach
  • Do not use fabric softener
  • Wash dark colours separately

Featured technologies



H2 FLOW JACKET is rated 4.5455 out of 5 by 11.
Rated 4 out of 5 by from Lightweight, but well-insulated As part of Abilyn Racing (, a sailing team based in New York, my co-skipper and I first began wearing the H2 Flow jacket in mid-April, when the weather in the northeast U.S. was still fairly cold. The jacket has served us well as both a mid-layer and outer-layer sailing jacket. The material of the jacket is not only very lightweight, but very well-insulated given the unique design. We tested the jacket in a wide-range of conditions including temperatures down to about 35 degrees F. The H2 Flow coupled with HH Warm baselayer gear is our go-to combination of initial layers for cold-weather sailing, and can be utilized equally to other outdoor sports. As temperatures warm up and base layers are shed, the H2 Flow allows you to expel heat through two vents located on the torso. These do a good job, but we'd much prefer those vents to be located under the arm pits to maximize heat dissipation. Overall, we're quite satisfied with both the look and feel of the H2 Flow jacket. Keep an eye out on the outer material. Because the material is thin, it tends to get snagged in luggage zippers. See you out on the water (or wherever else your adventures take you). Josh HH Ambassador
Date published: 2014-05-30
Rated 5 out of 5 by from Probably the best mid-layer jacket ever I recently tested the H2Flow jacket while out with the Helly Hansen team in the Lofoten mountains in Norway. The new H2 Flow technology works great trapping air in its hollow areas. Either you trap the heat or ventilate out with the zippers. Perfect control. As a mid-layer the slick fabric makes it very comfortable to wear under a shell, but I also found that it worked just as well as a stand-alone jacket. It looks great and has a few pockets for your most important items. Now we just need a hood and few more colors :-) Asmus Nørreslet UIAGM/IFMGA Mountain Guide Helly Hansen Ambassador
Date published: 2012-09-07
Rated 5 out of 5 by from Light & warm The first thing I noticed was it's light weight and that it was very comfortable to wear. I recently bought it, but had a chance to use it on a windy autumn day by the fjord. It kept the wind out and me warm. I haven't tried it on a hiking trip were the heat regulation would come to it's right, but so far it's the best midlayer ever.
Date published: 2012-09-11
Rated 5 out of 5 by from Great all around piece This jacket is great for being used as a base layer when you're out in the mountains or as an around town jacket. It is incredibly light for the amount of warmth it provides.
Date published: 2014-01-05
Rated 5 out of 5 by from Great piece of kit I used this jacket sailing offshore in the Volvo Ocean Race, Was a great addition to our gear, warm, comfortable and dried quickly. Thanks HH
Date published: 2012-09-21
Rated 5 out of 5 by from Offshore oil and gas worker I use this jacket every day under my boiler suit for work offshore in the North Sea oil and gas industry.
Date published: 2013-01-18
Rated 4 out of 5 by from h2 jacket good
Date published: 2013-03-09
Rated 5 out of 5 by from H2 Flow Jacket Volvo Ocean Race This Jacket is fantastically effective for its Bulk. Traditionally mid payer jackets can be very bulky. And are difficult to use in terms of regulating heat. This jacket is very thin, for the warmth it retains, but also seems to allow easy heat regulation, and dries very quickly. One of the best items of clothing to come out if the Volvo Ocean Race development done by HH.
Date published: 2012-09-23
  • 2015-07-03T08:05CST
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  • clientName_helly-hansen

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