High street shoppers are raving about a £35 jumper dress from Marks and Spencer, calling it a 'winter staple'.The Jersey Funnel Neck Jumper Dress features a turtle-neck design, long sleeves and falls just above the knee. It's crafted from lightweight jersey fabric and offers a relaxed fit, making it slightly loose around the waist – perfect for adding a belt to accentuate your figure if desired. Available in sizes 6-20, the brown hue has been a popular choice with sizes selling fast.