Stella Mccartney has teamed up with adidas to launch a new sustainable capsule collection.

The line boasts five unisex silhouettes and the environmentally-conscious designer has described the pieces as "classic Stella outerwear with a youthful athleticism".

McCartney said in a statement; “Over the last 16 years, our collaboration with adidas has pushed the boundaries of sustainable performance wear and I wanted to celebrate that by bringing our brands together in a new way.

“This capsule simultaneously energises classic Stella outerwear with a youthful athleticism, while elevating sportswear with our effortless luxury perspective.”

The planet-friendly materials the pieces are made from include recycled polyester.

McCartney has reimagined adidas' iconic tracksuit, a sports trench coat and loose-fitted pants.

Pieces from the Stella McCartney x adidas’ capsule cost between £325 to £750 ( around $450 to $1,045) and are available globally online now.

The 49-year-old fashion muse previously worked with the sportswear brand to create vegan alternatives to its popular Stan Smith collection of footwear and Stella admitted she hoped it would encourage them to go vegan on more products.

She said in 2019: "Consumers really are more conscious of where things come from now, and how they are made. But I think many people don't really care or can't tell the difference between the real leather and faux leather pair. It just makes me think how many animals' lives could be saved if Stan Smith and Adidas would change from real leather to vegetarian leather, and use non-animal-based glues like we use.

"The launch of our vegan Stan Smith brought us a whole new customer which was predominantly the younger generation. So many young people came into our stores to enquire about the Stan Smith, asking questions about what the trainer was made with, telling our staff about why it was important for them to choose a vegan shoe over a leather one and what it represented. This is the future."

Stella also insisted that the fashion industry needs to take action on the world's climate crisis.

She said: "The world is crying out for change. The younger generation are standing up and telling us that our house is on fire and that we need to respond like we are in a crisis (because we are in fact in a crisis). As one of the most polluting industries in the world, the fashion industry is now at a crossroads. We need to come together and achieve sustainable change to build a better future."