Endorsed by the UK College of Podiatry, Insolia Flex® makes walking in flats more comfortable by insuring your foot is correctly placed within your shoes, and improving the natural rotational movement of the ball of the foot. Invest in these sleek knee high boots - a must-have addition to your core wardrobe.Exclusive to M&S our clever new zips stretch to fit a range of calf shapes and sizes.

• Product Shape: Knee boots
• Fit: Regular fit
• Fastening: Side zip
• Round toe
• Panel detail
• Buckle and strap feature
• Comes in sizes 3-8, including half sizes
• Boots fit more generously than shoes, to allow for socks. Please bear this in mind when choosing your size
• Upper: Other materials
• Lining and Sock: Textile & other materials
• Outsole: Other materials