What is The North Face Thermoball Insulation?

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What is  Thermoball™?

Not too far in the past The North Face™ developed a partnership with Primaloft® and brought to the market a unique weather defying alternative to Down Insulation. Split down the word Thermo is defined as a combining form meaning “heat” “hot” and us often used in the formation of compound words. It has Greek origin combining form of thermos (hot) and therme (heat). The word Ball is defined as a spherical object or mass of material. It’s origins can be traced back in the English language to 1175-1225 Middle English bal or balle.

The North Face has combined these two words to create Thermoball™ a revolutionary step forward for the outdoor market in insulation technology. So what is this technology we speak of? Thermoball™ is made of small round synthetic fibre balls that incorporate all of the good things that goose down gives us while still being a man made fibre.

This insulation is light, fluffy, and is great for keeping the warm air trapped. This creates a barrier of warm air around the body as the small round Primaloft synthetic fibre clusters closely mimic traditional down clusters which trap heat in small air pockets to retain warmth so you can stay insulated throughout your outdoor activity.

Because of it’s material composition Thermoball™ products have a proven ability to insulate when wet and dry which makes it a great technology for everyday outdoor clothing. Being constantly exposed to all manner of weather conditions isn’t a problem,even if you’re soaked wet through, if you can retain your body heat.

The insulation provided is comparable to 600 fill down insulation. Fill power measures the loft of a down product, which is essentially the quality of the down. Maximum loft occurs when the down clusters are fully expanded. A down fill rating of 600, for example, means that one ounce of down can cover 600 cubic inches. So Thermoball™ insulation packs in a great amount of warmth for it’s weight. Talking of packing The North Face Thermoball™ clothing range is extremely pack-able and often garments can be stuffed down small into their own pockets or stuff sacks for easy storage.

Unlike traditional, continuous-filament synthetic insulations, the small round Primaloft synthetic fiber clusters closely to mimic down clusters; trapping heat within small air pockets to retain warmth. ThermoBall™ Technology offers the low weight, loft, warmth, and compressibility of down with the wet-weather insulating performance of a synthetic.

How can ThermoBall™ Clothing be used?

ThermoBall™ clothing is extremely versatile and can be used in a variety of different ways depending upon your need or what outdoor activity you are undertaking.

  • Insulating Jacket – wear it when the weather is dry to give a barrier against the elements.
  • Outer Layer – wear it over your other outdoor gear layered underneath to provide solid weather protection.
  • Mid Layer – wear it under an outer garment to insulate your body as you move.
  • Body Padding – wear it under a Hardshell Jacket and get rid of the need for an extra fleece or mid layer.

Is ThermoBall™ Ethical and Eco- Friendly?

The North Face™ is committed to improving animal welfare and traceability in the goose down and feather supply chain and helped to create RESPONSIBLE DOWN STANDARD (RDS) which aims to ensure that down and feathers come from animals that have not been subjected to an unnecessary harm. With ThermoBall™ Technology being a complete alternative to using Goose Down it is an ethical alternative to animal based down products. With synthetic insulated jackets becoming more popular and possibly overtaking Down feather, we’ve explored the question “Are insulated jackets more ethical than Down feather jackets?” in separate blog.

The majority of ThermoBall™ clothing has a Durable Water Repellency (DWR) finish on the outer material. Some of the chemicals The North Face use to impart performance characteristics such as water, stain and oil repellency contain PFCs (perfluorinated chemicals) however they are working to replace these Durable Water Repellency (DWR) chemicals with environmentally preferable options.See this technology in action in a great every day outdoor jacket by clicking the image above to head over to our YouTube channel! Now that you understand the technology why not head over to our website for the latest The North Face Thermoball products? Click here to browse the full range.  Be sure to Like this Post and Subscribe to our Blog for latest Product Reviews and if you want to know any more information that has not been covered leave us a comment!

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Marketing & Social Media Manager

I love the outdoors and I love good food. So guess what I do for a job? Yep, Marketing & Social Media for e-OUTDOOR and Director of House of Goodness Ltd.