Multibuy Information:£4 Saving when you buy 2. Select first size from the drop down menu above & add to basket, then select second size & add to basket. Discount will be automatically calculated. Extra knee support when you need it Our knee support is professionally designed to give steady support & relief to those who suffer discomfort or occasionally feel their knee buckling whilst walking, climbing stairs, jogging or during any type of physical activity. Embedded in the fabric are ceramic particles designed to absorb heat & reflect it back into the soft tissue surrounding the knee. It's like having infrared treatment around the clock! The unique Neoprene/ Polyamide material is designed to give even support, & heat distribution. The knee support custom fits with hook & loop, & stays comfortably in place while bending, sitting or standing. Weighing approx. 65g (2.3oz), it's light, not visible under clothing & adjusts to fit. Choose from X Small (XS) 24cm-32cm/9½in-12½in, Small (S) 28cm-36cm/11in-14½in, Medium (M) 34cm-44cm/13½in-17½in, Large (L) 42cm-50cm/16½in-20in or X Large (XL) 52cm-60cm/201/2in-231/2in.