Down or synthetic filling 羽絨或合成填充物料

Sleeping bags can be divided into two types depending on the type of filling they have: down or synthetic. Both materials have their respective strengths and weaknesses and which is best depends on how you will be using the sleeping bag. Down has long been the most popular alternative among backpackers, but as synthetic fillings have improved and become more ‘down-like’, they have become an interesting alternative.

Down – light and packs well

Down is the natural choice when weight and volume are of high priority, such as when trekking. The material provides the most insulation relative to weight; it can be packed down into a small volume and therefore takes less space in your backpack. On the other hand, down is more sensitive to moisture and loses a lot of its insulating capacity when it becomes damp. It is therefore important that you keep your down sleeping bag as dry as possible, both when using it and when it is packed. Another downside is that down costs a little more.

Synthetic – withstands heat

Synthetic is a good option when you spend a lot of time in damp environments, e.g. when canoeing. Synthetic is not as sensitive as down and the fibres are able to regain their shape even after long-term use. It also withstands a certain amount of moisture without a dramatic loss of insulation capacity. The sleeping bags can be washed and the price is slightly lower. One disadvantage is that synthetic weighs a little more and takes up more space in your pack. It also offers poorer insulation than a down sleeping bag of the same weight.

More about Fjällräven’s filling materials

The down quality is classified using a fill power which is stated in cuin (cubic inches) and measures the tog rating of the down, or its ‘fluffiness’. The higher the fill power, the finer the down and the higher the insulation capacity. A fill power of between 400 and 450 cuin is considered to be of medium quality, 500–550 cuin is considered good, 550–750 cuin is very good and 750+ is exceptional.

The down in Fjällräven’s sleeping bags is high quality, carefully checked and ethically produced. Read more about the down process on the pages relating to our Responsibility towards animals.

We use Supreme Microloft in our sleeping bags, which is one of the leading synthetic fillings on the market. It is a combination of fine and somewhat thicker silicone-treated microfibres that fill the sleeping bag with insulating air, thus using the same principle as down sleeping bags. The synthetic fibres are shaped to give a comfortable fluffiness and to regain their shape well after being compressed.

 

睡袋依填充物料的不同可分為兩類:羽絨睡袋或合成睡袋。兩種材料互有優劣,到底個人適合哪一種睡袋,取決個人的使用方式而定。羽絨一直是旅行者的最愛,不過合成填充料已經進步到「類近羽絨」的程度,也逐漸受到青睞。

羽絨:輕盈、收納體積小

進行行山等活動時,重量和體積多半是優先考慮因素,那麼羽絨是最自然的選擇。這種材質的保暖度絕佳,卻相對輕盈,可以輕鬆收納成很小的體積,因此能節省背囊的空間。不過羽絨容易受潮,一旦潮濕之後,保暖度會大幅下降,因此在使用或收納時,務必盡可能保持羽絨睡袋的乾燥。另一個缺點則在於羽絨產品的售價較高。

合成填充料:耐熱

如果活動地區主要位於潮濕環境,例如泛舟這類活動,那麼合成填充物料是不錯的選擇。合成填充物料不像羽絨那麼難保養,即使長常時間使用,它的纖維也不容易變形。同時,合成填充物料能夠承受一定的潮濕度,而不會大幅影響保暖度。合成填充睡袋可以清洗,價格經濟實惠。其中一個缺點是重量較重,收納時也比較佔空間。合成填充睡袋的保暖性也不及相同重量的羽絨睡袋。

Fjällräven填充物料的相關知識

斷定羽絨品質的一個指標是膨脹係數,以CUIN(立方英吋)表示,是用來測量羽絨保暖度或者說「蓬鬆度」的方法。膨脹係數越高,代表羽絨越細緻,隔熱性也越好。膨脹係數介於400~450 CUIN算是中等,500~550的算是優良,550~750是高級,750以上就是頂級羽絨。

Fjällräven睡袋所使用的羽絨都屬於頂級羽絨,全程嚴格品質管理、人道生產。您可以參考我們的「社會責任」頁面,了解我們的羽絨產品生製過程,以及我們對動物福祉的關懷。

我們的睡袋採用Supreme Microloft,是市面上領導性的合成填充物料之一。Supreme Microloft是一種結合了微細纖維和稍粗的矽處理微纖維的填充材質,可使睡袋充滿隔熱空氣層,運用和羽絨睡袋相同的保暖原理。這種人造纖維的形狀能構成舒適的蓬鬆度,而且壓縮後很容易恢復形狀。

 

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