Abstract: A low friction boot insert 1 that is positioned around the lower leg surrounding a sock 2 and on the inside of a boot 4 such as those worn for skiing. Rotational movement 5 and longitudinal movement 6 of the skin 3 relative to the boot surface is minimised by reducing friction at the interface of the insert and boot or the interface of the insert and sock or both. The reduction in friction transferred to the interface between sock and skin helps to reduce the chafing of the skin which can cause blisters or sores.