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Allbirds Reveals Its Most Technical Running Shoe to Date — and It Features Innovative Midsole Cushioning

Allbirds is making further inroads in the ultracompetitive running category.

The eco-conscious footwear company is set to debut its its most technical shoe to date, the Flyer, which is equipped the brand’s latest material innovation: SwiftFoam. Allbirds said the Flyer, a sleek look built for longer distances, was wear-tested for more than a year by upward of 130 runners who put them through roughly 4,000 miles.

SwiftFoam is created, according to Allbirds, via a foaming process that creates a low-energy midsole. Breaking down its composition further, Allbirds said its is derived from its castor bean oil-based resin, and the process allows the company to use less material. SwiftFoam is more than 30% lighter than another Allbirds innovation, SweetFoam, and has increased cushioning and energy-return, with a rebound of 70%.

To further improve the experience, Allbirds added a flared external heel for additional support, an increased toe spring for better transition, reflective eye-stays, flat laces and its Tree upper for a sleeker fit that holds the foot in place without sacrificing breathability and durability.

And as always, Allbirds revealed the shoe’s carbon footprint: 9.92kg CO2e.

The Allbirds Flyer will release via Allbirds.com on May 17 in men’s and women’s sizing, and will retail for $160. It will debut in three colorways: “Lux Beige,” “Buoyant Yellow” and “Natural Black.”

Allbirds Flyer
Allbirds Flyer “Buoyant Yellow.”
CREDIT: Courtesy of Allbirds

Although the Flyer is the latest Allbirds running, the brand isn’t foreign to the category. In April 2020, Allbirds revealed its debut running shoe, the Dasher, a road-ready model the brand described as being “powered by the sun, rain and soil.”

In October 2021, Allbirds entered the trail running category with the Trail Runner SWT, a look the brand said described as “powered by the natural performance properties of sugar, wool and tree” and created to perform on all terrains.

Ahead of the Flyer drop, shop some other popular Allbirds styles, below.

allbirds tree dasher 2
CREDIT: Courtesy of Allbirds
allbirds tree breezers
CREDIT: Courtesy of Allbirds
allbirds tree skipper
CREDIT: Courtesy of Allbirds
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