# Pineapple Yarn Knitted Sneakers These Trainers Are Crafted With Pineapple Leaf Fibers By Rahul Kalvapalle | Published 2023-09-02 | Fashion Source: Trend Hunter, https://www.trendhunter.com/trends/knitted-sneakers References: [futurevvorld](https://futurevvorld.com/footwear/calvin-klein-pinayarn-sustainable-knit-sneaker-details/) & [calvinklein](https://www.calvinklein.co.uk/sustainable-knit-trainers-hw0hw01548beh) Premium American fashion house [Calvin Klein](https://www.trendhunter.com/trends/biomaterilal-gift-wrap) introduced revolutionary [knitted shoes](https://www.trendhunter.com/trends/supernatural-runner) in the form of its 'Sustainable Knit Trainers,' which happen to be made from pineapple leaf fibers. The upper of these trainers is made with 20 percent Pinayarn, a special proprietary fiber that is made with a combination of pineapple fibers, wood pulps and recycled cotton that are all sourced with a sustainable ethos in time. The shoes are manufactured in Portugal and feature biologically based knit uppers, insoles made from [recycled materials](https://www.trendhunter.com/trends/allbirds-remix) and even an outsole made with recycled blends. Boasting the iconic Calvein Klein logo in three places, these shoes are a fine example of how luxury fashion brands can embrace sustainable manufacturing techniques with stunning results. Image Credit: Calvin Klein ## Trend Insights (Trend Hunter) - Score: 5.5/10 - Popularity: 86% | Activity: 61% | Freshness: 17% - Audience gender: 50% men, 50% women - Primary generations: Millennial, Gen X - Top markets: North America, Europe ## Categories [Trend Hunter](https://www.trendhunter.com/trends) > [Fashion](https://www.trendhunter.com/fashion) > [Shoes](https://www.trendhunter.com/shoes) ## Key Themes ### What's Driving This Trend - **Sustainable Knit Trainers:** Calvin Klein introduces revolutionary knitted shoes made from pineapple leaf fibers, showcasing the potential of sustainable manufacturing in the fashion industry. - **Pinayarn:** The use of Pinayarn, a special proprietary fiber made from pineapple fibers, wood pulps, and recycled cotton, demonstrates the growing trend of utilizing innovative and sustainable materials in fashion. - **Recycled Blends Outsole:** The creation of outsoles from recycled blends in the Sustainable Knit Trainers highlights the opportunity for incorporating recycled materials into footwear manufacturing for a more environmentally friendly approach. ### Who This Affects Most - **Fashion Manufacturing:** The introduction of pineapple yarn knitted sneakers by Calvin Klein in the fashion industry showcases the potential for sustainable fashion manufacturing. - **Sustainable Materials:** The use of Pinayarn in the production of the Sustainable Knit Trainers reflects the growing trend of utilizing innovative and sustainable materials in various industries. - **Footwear Manufacturing:** The development of the Recycled Blends Outsole for the pineapple yarn knitted sneakers presents opportunities for incorporating recycled materials in footwear manufacturing, addressing the demand for eco-friendly products. ## Related on Trend Hunter - [Compostable Sole Sneakers](https://www.trendhunter.com/trends/swave-sport.md) - [Banana-Made Luxury Sneakers](https://www.trendhunter.com/trends/balenciaga-4.md) - [Eco Cactus Leather Sneakers](https://www.trendhunter.com/trends/mercer-rerun-sneaker.md) - [Sustainable Running Shoe Designs](https://www.trendhunter.com/trends/supernatural-runner.md) - [Sustainable 3D-Printed Footwear](https://www.trendhunter.com/trends/4dfwd-1.md) - [Textile-to-Textile Recycled Sneakers](https://www.trendhunter.com/trends/allbirds-remix.md) - [Nature-Inspired Limited Sneakers](https://www.trendhunter.com/trends/kype-pro-limited-edition.md) - [Upcycled Cork Sneakers](https://www.trendhunter.com/trends/sole-jasper-chukka.md) - [Sustainable Open-Style Sneaker Designs](https://www.trendhunter.com/trends/keen-uneek-360.md)