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Allbirds launches "Tree Runner" running shoes: low-carbon footprint of eucalyptus fiber and sugar cane midsole

2025-09-19 09:18:34 Fashion

Allbirds launches "Tree Runner" running shoes: low-carbon footprint of eucalyptus fiber and sugar cane midsole

In recent years, sustainable fashion has become a hot topic in the world, and consumers' demand for environmentally friendly products has continued to grow. As a representative of sustainable footwear brands, Allbirds recently launched the new running shoe "Tree Runner", which focuses on eucalyptus fiber upper and sugar cane midsole to further reduce the carbon footprint. This product not only continues the brand's consistent environmental protection philosophy, but also takes into account comfort and performance, becoming the focus of hot discussion in the fields of social media and environmental protection recently.

1. Core highlights of the product

Allbirds launches

The design of "Tree Runner" running shoes focuses on material innovation and low-carbon production. Here are its main technical highlights:

Technical HighlightsSpecific instructions
Eucalyptus fiber upperUse renewable eucalyptus fibers to reduce carbon emissions by 50% compared to traditional materials
Sugar cane midsoleMade of SweetFoam® extracted from Brazilian sugar cane to achieve negative carbon emissions
Overall carbon footprintEach pair of shoes produces only 5.5kg CO₂e, which is much lower than the industry average (about 15kg)

2. Market and consumer feedback

According to data from the social media monitoring platform, the discussion on "Tree Runner" has increased significantly in the past 10 days, and the number of readings on related topics exceeded 2 million times. The following are the key data:

platformDiscussion count (times)Core group
Weibo12,500+Environmental enthusiasts, running enthusiasts
Little Red Book8,300+Urban women, sustainable lifestyle blogger
Twitter5,200+International consumers, KOLs

Consumers generally agree with "low-carbon materials" and "comfortiness", but some users also raised concerns about the price (about $120). In response, Allbirds responded: "The R&D costs of environmental protection technology are high, but long-term use can reduce the environmental burden."

3. Industry comparison and trends

Compared with traditional running shoes, "Tree Runner" has outstanding performance in carbon emission reduction. The following is a comparison of carbon emissions of similar products in major brands:

brandproductCarbon emissions (kg CO₂e/double)
AllbirdsTree Runner5.5
NikeAir Zoom Pegasus12.1
AdidasUltraboost10.3

Experts pointed out that with the advancement of EU carbon tariffs and other policies, low-carbon products will become a new battlefield for sports brands to compete. Allbirds' attempts provide the industry with a reference template.

4. Future prospects

Allbirds plans to achieve 100% renewable energy supply power supply in the supply chain by 2025 and further expand the application scope of eucalyptus fiber. Brand co-founder Tim Brown said: "Real sustainability requires industry-wide collaboration, not just marketing slogans." This statement has sparked in-depth discussions in the industry on "green supply chain".

Overall, the launch of "Tree Runner" is not only a technological breakthrough for Allbirds, but also reflects consumers' strong demand for "responsible consumption". Against the backdrop of increasingly severe climate issues, such innovations may become the mainstream trend in the next decade.

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