Thermore Ecodown Explained
In brief: Thermore Ecodown is a synthetic insulation from the Italian maker Thermore, produced entirely from recycled post-consumer PET, the plastic used in drinks bottles. It gives the soft, lofty feel of down without using any animal product, and a single garment can reuse the equivalent of several plastic bottles. Thermore has made insulation since 1972 and was an early pioneer of recycled fills, and Ecodown carries recognised environmental and safety certifications.
What is Thermore Ecodown?
Thermore Ecodown is a synthetic insulation made by Thermore, a long-established Italian insulation specialist based in Milan. The defining feature of Ecodown is that it is made entirely from recycled post-consumer PET, the same plastic used for drinks bottles. Rather than using virgin synthetic fibre or animal down, Ecodown takes plastic that has already been used and turns it into a soft, lofty fill that mimics the feel of down. It is, in effect, a fully recycled, animal-free alternative to down, designed for brands and shoppers who want warmth without compromising on sustainability or avoiding animal products.
From plastic bottles to insulation
The headline appeal of Ecodown is its circular story. Used PET bottles are collected, processed and spun into fine synthetic fibres, which are then formed into the lofty insulation that goes inside a jacket. According to Thermore, a single garment insulated with Ecodown can reuse the equivalent of around ten plastic bottles, depending on the garment, giving discarded plastic a second life as a warm layer. This makes Ecodown a tangible example of recycling in action: the warmth you feel comes from material that would otherwise have been waste. For environmentally minded buyers, that traceable recycled content is a big part of the draw.
Thermore's heritage in recycled fills
Thermore is not a newcomer to insulation. The company was founded in 1972 and has spent decades developing thermal insulation for clothing, supplying many brands across the outerwear industry. Importantly, it was an early pioneer of recycled insulation, working with recycled PET long before sustainability became a mainstream selling point. That heritage matters because it means Ecodown is built on established insulation know-how rather than being a quick green rebrand. The result is a fill that aims to deliver genuine warmth and a quality feel, backed by an Italian maker with a long track record in the field.
Certifications and performance
Ecodown is designed to perform like a quality synthetic down alternative: soft, lofty, warm for its weight and able to keep insulating in damp conditions, as synthetic fills do. On the sustainability side, Thermore's insulations carry recognised certifications covering both environmental credentials and the safety of the materials used next to the skin, giving brands and shoppers independent reassurance about what is inside the garment. As always, exact warmth depends on how much insulation a particular jacket uses and how it is constructed, so it is worth reading the individual product details, but the core proposition is dependable, recycled, animal-free warmth.
Thermore Ecodown at OD's Designer Clothing
At OD's Designer Clothing we stock outerwear that uses sustainable insulations like Thermore Ecodown, for customers who want genuine warmth alongside recycled, animal-free credentials. It is a practical, feel-good choice for the British climate, combining synthetic wet-weather reliability with a strong environmental story. We offer next-day delivery and free click and collect, and customers in the North West are welcome to visit our St Helens store to see and feel the garments in person.