The EcoLact yarn series from Eclat Textile Co. - recycled polyester for performance sportswear

Reviewed: ad hoc news B2B & Pro desk. Edited and checked on 2026-06-28, 01:38. Details in the imprint.

The EcoLact yarn series from Eclat Textile Co. starts its story not in a boutique but at a recycling plant, where crushed PET bottles clink against each other before becoming fine, smooth filaments in the Taiwanese mills.

What EcoLact actually is

EcoLact is Eclat's line of recycled polyester yarns that feed directly into high-performance warp and circular knits for sportswear and athleisure brands worldwide.

According to Eclat president Gary Cheng, the company now positions EcoLact and other low-impact materials as core pillars of its sustainability roadmap, not niche experiments.

From bottles to yarn

The core of EcoLact is post-consumer recycled polyester sourced from PET bottles that are cleaned, flaked and repolymerized into chips before spinning.

Eclat highlights that these recycled yarns can be engineered into fine deniers suitable for lightweight, breathable knits used in running tops, training jerseys and yoga wear.

How it feels in daily use

On the body, EcoLact-based fabrics aim to feel as smooth and cool as conventional polyester, with moisture-wicking and quick-drying properties tuned for sweaty gym sessions or humid summer runs.

Designers working with Eclat report that EcoLact yarns slot into existing production lines without major retooling, which keeps the hand-feel consistent between recycled and virgin lines.

Performance plus sustainability data

In its sustainability reporting, Eclat quantifies EcoLact and other recycled polyester programs as part of an overall reduction in greenhouse gas emissions intensity and energy use per unit of fabric.

The company states that by 2025 it aims to increase the share of recycled materials, including EcoLact, across its product portfolio, supported by third-party certifications such as GRS for recycled content.

Where EcoLact shows limits

Despite technical progress, EcoLact remains constrained by the quality and consistency of collected PET waste streams, which can vary by region and supplier.

Textile engineers also note that recycled polyester still shares end-of-life challenges with virgin PET, such as limited fibre-to-fibre recycling infrastructure.

Who buys EcoLact yarns

EcoLact yarns are largely a B2B proposition, sold into global brand programs in sportswear, outdoor and athleisure rather than directly to consumers.

Eclat describes itself as a key fabric partner for several leading sports brands, integrating EcoLact into branded collections that highlight recycled content on hangtags and marketing materials.

Market position and pricing

On pricing, EcoLact yarns typically sit slightly above standard polyester, reflecting recycling and certification costs, but brands often accept the premium for sustainability messaging.

Eclat uses long-term relationships and volume contracts to secure supply and stabilize costs, which helps EcoLact compete against other regional mills offering recycled polyester.

Stock context for Eclat

EcoLact is one piece in Eclat's broader push into value-added, sustainability-oriented materials that support margins in a competitive textile market.

The Eclat Textile Co Ltd share price (ISIN TW0001476004) is listed on the Taiwan Stock Exchange in New Taiwan dollars, providing investors exposure to this B2B materials strategy.

This article was AI-assisted and editorially reviewed. Product information without guarantee; prices and availability may change at short notice. No investment advice, no buy or sell recommendation. Stock-market transactions involve risks up to total loss.