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£55
These flannel pyjama trousers lend themselves to moments of relaxation. They're crafted from a soft organic-cotton blend in a grey checked pattern and designed with an elasticated waistband, a number of pockets and a loop at the back so you can hang them up when not in use. Wear them as a set with the matching shirt.
A brand whose aesthetic has been so influential that it’s hard to remember what went before. But when COS launched in 2007 against a backdrop of fast, trend-led fashion, its focus on minimal pieces at accessible prices was a breakthrough moment. With a focus on style over trend, it heralded a new era for interesting, modern, considered design and changed our wardrobes for the better, forever.