Ultimate Performance Gel Insoles provide additional cushioning and support. Ideal for extra cushioning or everyday basic support. Great in rugby boots or running shoes for soft support and pain relief. Featuring gel technology in the heel and forefoot the insole work to attenuates shock impact when striking down helping to protect joints and offering cushion comfort. Thin edges provide a secure fit within the shoe and a smooth, comfortable feel. The bottom of the insole boasts a slip-resistant design that ensures the insole is kept in place whether walking or running for a distraction-free fit. SIZING Small/Medium – UK Shoe Size 3-8 - Euro 36-42 Large/X-Large – UK Shoe Size 8-13 - Euro 42-48