# Sustainable Open-Style Sneaker Designs The KEEN UNEEK 360 Will Come in Three Colors By Michael Hemsworth | Published 2026-02-06 | Eco Source: Trend Hunter, https://www.trendhunter.com/trends/keen-uneek-360 References: [hypebeast](https://hypebeast.com/2026/2/keen-uneek-360-debut-release-info) & [keenfootwear.jp](https://www.keenfootwear.jp/)  The [KEEN UNEEK](https://www.trendhunter.com/trends/uneek-360) 360 sneaker is an open-air footwear design that prioritizes a chic aesthetic alongside an airy functionality that's also inherently sustainable. The sneaker is characterized by its adhesive-free design that uses [recycled PET materials](https://www.trendhunter.com/trends/shore) in the upper that comes in the form of a breathable knit and the brand's signature cord system to customize the fit. The sneakers are paired with an EVA sole that maximizes cushioning and can be easily separated from the upper to allow for proper sorting and recycling at the product's end of life. The KEEN UNEEK 360 sneaker keeps in line with the brand's [Detox the Planet](https://www.trendhunter.com/trends/detox-cleanse) initiative and will arrive starting this month in three colors including Black/Magnet, Vapor/Star White and Birch/Roasted Pecan. Image Credit: KEEN, [hypebeast](https://hypebeast.com/2026/2/keen-uneek-360-debut-release-info), [keenfootwear.jp](https://www.keenfootwear.jp/) ## Trend Insights (Trend Hunter) - Score: 7.5/10 - Popularity: 85% | Activity: 77% | Freshness: 64% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Eco](https://www.trendhunter.com/eco) ## Key Themes ### What's Driving This Trend - **Adhesive-free Footwear:** Footwear designs that eliminate adhesives promote easy dismantling for recycling and showcase a commitment to sustainable manufacturing. - **Recycled PET Materials:** Utilizing recycled PET materials in footwear offers an innovative approach to reducing plastic waste and enhancing environmental responsibility. - **Customizable Cord Systems:** Footwear featuring adjustable cord systems allows for personalized fit while demonstrating versatility in design and comfort. ### Who This Affects Most - **Eco-friendly Footwear:** The eco-friendly footwear industry can leverage sustainable materials and designs to attract environmentally-conscious consumers. - **Circular Fashion:** Circular fashion encourages end-of-life recycling processes for consumer goods to reduce waste and promote sustainability. - **Performance Knit Materials:** Performance knit materials in open-style shoes present opportunities for providing enhanced breathability and comfort. ## Related on Trend Hunter - [Eco-Conscious Hiking Shoes](https://www.trendhunter.com/trends/targhee-apex.md) - [Trail-Ready Urban Sneakers](https://www.trendhunter.com/trends/keen-x-bal-hightrail-sp-wp.md) - [Woven Leather Loafers](https://www.trendhunter.com/trends/loafer-wk.md) - [Sustainable Modular Sneakers](https://www.trendhunter.com/trends/modular-sneaker-1.md) - [Bright Trail Style Sneakers](https://www.trendhunter.com/trends/8on8-x-keen-jasper.md) - [Outdoor Formal Hybrid Loafers](https://www.trendhunter.com/trends/uneek-loafer-wk.md) - [Stylish Utility Footwear](https://www.trendhunter.com/trends/jasper-sneaker.md) - [Curvaceous Contoured Trail Sneakers](https://www.trendhunter.com/trends/dirt-hiking-shoe.md) - [Sleek Golf Ready Footwear](https://www.trendhunter.com/trends/keen-x-metalwood.md)