Seasalt Cornwall Women's Hooded 2 in 1 Longline Parka Coat - 12 - Green - Available at M&S

This 2-in-1 parka from Seasalt Cornwall is a practical choice for changeable weather. It's made in a regular fit, with a longer length for extra coverage. The detachable gilet is fleece-lined on both sides to trap the heat, while contrast trims that match the outer coat give eye-catching detail.