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To understand the purpose of the softshell jacket is useful to talk about the performance of 'hardshells' focusing on the potential problems with them, problems which boil down to breathability and stiffness. Creating a waterproof fabric is relatively easy but if the fabric doesn't breathe then you'll get just as wet from sweat build up as you would have done from rain if you hadn't worn it. So, a …

Down is the natural plumage that forms the undercoating of waterfowl. It forms in tufts, or plumules, and consists of fluffy, wispy filaments. It is an exceptional insulator, prized for being light, easy to compress, durable and breathable. It excels in cold, dry conditions. Down is more expensive than synthetic fill, but it maintains its loft (which provides its heat-trapping ability) at a near-o …

The EN13537 Standard - EN13537 requires a thermal manikin test which produces four temperature results — upper limit, comfort, lower limit and extreme.These Interpret as:Upper Limit — the temperature at which a standard man can sleep without excessive perspiration. It is established with the hood and zippers open and with the arms outside of the bag.Comfort — the temperature at which a standard wo …

Power Stretch Pro is one of a range of fabrics from Polartec, we explain what the fabric does and include our opinion of it.

Generally the more down in a jacket (fill weight), the warmer it is going to be but this assumes the down is the same quality. However, down quality can vary significantly and is measured by its fill power. A higher fill power down will keep you warmer than a lower fill power. To make matters worse there are two widely recognised methods of measuring Fill Power - the 'US' Method and the 'EU' Metho …

Down is still the number one insulating material in the outdoor industry, offering the lightest warmth to weight ratio and unrivaled packability. Therefore, a down jacket will provide exceptional warmth but won't weigh you or your pack down. Choosing a down jacket depends on how warm you need it to be and what features you need it to have.How Warm Should It Be?Our lightest down jackets weigh less …

Rectangular versus Mummy shapes - Most sleeping bags you will see on our website are Mummy shaped, this is because a close-fitting bag will be warmer for a given weight because there is less volume of air to move around carrying heat away with it, and a close-fitting bag weighs less than other shapes because there is no waste of material.Some people feel too restricted by a mummy bag and would r …

Zips - Most sleeping bags are fitted with a full-length zip that runs the length of the bag almost to the foot. These zips usually have a slider at each end, allowing you to ventilate the bag from the foot end if it's too warm for the conditions. Some manufacturers make bags with zips on either the left or the right-hand side. A left-hand zip is by your left hand as you lie in the bag on your ba …

When down gets wet, it will lose most of its insulation properties but this is where Hydrophobic down comes in - this is a relatively new concept and the purpose is to solve the main drawback of 'regular' down, which is it's lack of effectiveness when wet.Hydrophobic down has been treated with a durable water repellent that enables the down to dry quicker and resist water for longer, meaning it wi …

A Box-wall down jacket is one that utilises 'Box-wall' construction for it's baffles. Baffles are the pockets of space that are created between two layers of fabric which then hold the goose or duck down that is in your jacket. These chambers filled with down are how the jacket keeps you warm. Your body heat warms the air around it through radiating that heat, when you are wearing a down jacket th …

What are PFCs?PFCs (per- and poly-fluorinated chemicals) are all completely man-made chemicals which do not occur naturally. They are commonly used in DWR (durable water repellent) coatings and waterproof membranes. These fluorochemicals have been used for some time to give clothing water and stain resistant properties. Until fairly recently there were very few alternatives so as it became obvious …

What is Bluesign?Many outdoor companies have placed great importance on environmental sustainability and many more brands are starting to realise the significance of it now. Either way it is good to know that more companies are considering their environmental impact in production processes for their goods. This focus on factors other than profit goes hand-in-hand with the increasing consumer aware …