Stella Blu debuts its global launch of waterless Cooltrans collections at Denim PV in Milan

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Stella Blu is very proud to announce to be the first Denim mill in the world to adopt the use of NTX Cooltrans – the revolutionary waterless coloration technology into its production of denim & colored denim fabrics.

Stella Blu reduces its use of water and heat thanks to Cooltrans

Cooltrans technology used bu Stella Blu

PV Denim Milan marks the debut of Stella Blu’s first full Collection using the Cooltrans technology. This coloration process happens with extreme precision and consistency every time and is applicable to almost any fabrics, natural, cellulose-based or synthetics man-made without the need for heat and over 90% reduction in water usage without compromising the fabric’s engineered feel or functional performance. 

“Conventional denim has an extensive use of water, heat and chemicals starting from the initial processes of fabric making—dyeing yarns into several indigo baths—all the way down to laundry processes to create that vintage distressed look. With Cooltrans, we are able to completely eliminate these two processes. We start from a white PFD fabric and then the coloration process happens without heat at both sides simultaneously in only one single pass—the front face gets the printed washed look and the back side face gets printed with the twill line or any other pattern the client’s desire.”

Marco Stefanelli, Director of marketing & business development at Stella Blu
Denim Stella Blu

Cooltrans opens up a realm of possibilities for denim brands

This technology opens up extremely exciting possibilities. For instance, clients could have a single quality greige and print nearly infinite combination of aesthetics. By doing so, they can drastically improve the speed to market with much lower SKUs. 

Jeans Stella Blu

Many denim brands today maintain extensive material libraries, consisting of well over 500 different types of fabric, solely for the purpose of achieving a desired look. However, with Cooltrans, the aesthetic can be completely independent of the fabric composition. By calibrating the process to a specific fabric base, brands can achieve a wide range of aesthetics on a single twill type, resulting in tremendous costs savings.

Furthermore, addressing the environmental impact of indigo dye is a shared concern within the industry. Cooltrans is seen as a promising solution to reduce the toxicity associated with indigo dye as there is no indigo involved in the entire process, which is an additional key point that many brand houses view it favourably.

To find out more
Visit Stella Blu on stand B8 on 22 & 23 November at Denim PV in Milan!
More information about our products and innovations on our website: and the PV marketplace.
Follow us on Instagram: and LinkedIn:
Contact : Marco Stefanelli

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