At Marks and Spencer, the Pure Merino Wool Ribbed Crew Neck Jumper is available in two colours for £49.50. Or there's the cheaper Air-Yarn Textured Funnel Neck Relaxed Jumper which comes in at £25.

Elsewhere, Uniqlo offers the Merino Crew Neck Jumper. Retailing at £29.90, it's available in off white, grey, black and 10 other colours. It holds a four-star rating from 23 reviews.

Marks and Spencer's latest addition, the Per Una Textured Jumper with Wool, is quickly becoming a hit among shoppers. Priced at £32, this jumper is crafted from a cosy mix of 51% acrylic, 23% ...