Another popular category at ASOS is sportswear. Both men's and women's sportswear includes clothing, accessories, multipacks and training supplies like water bottles, resistance bands and weights.

The RSA said the numbers varied by outlet with Asos using comparatively less new plastic than the others. The study found that 60% of Boohoo's women's clothing and 57% of Boohoo-owned ...

Fashion firms Asos and Primark have announced new sustainability ... Over the next year, Primark said it would make all men's, women's and kids' entry price point T-shirts from sustainably sourced ...