A limb support fastening arrangement for fastening a limb support to a limb of a wearer is disclosed. The arrangement comprises a first and second fastening portion, the first portion comprising an inflatable chamber comprising an upper and lower chamber wall and a first fastener disposed proximate the upper chamber wall, the lower chamber wall being arranged in use, to extend proximate the limb of the wearer. The second portion similarly comprises an inflatable chamber comprising an upper and lower chamber wall and a second fastener disposed proximate the upper chamber wall, the lower chamber wall being arranged in use, to extend proximate the limb of the wearer. The fastener associated with the first portion is arranged to detachably couple with the fastener associated with the second portion to detachably couple the first and second portions together, by positioning the lower chamber wall of one portion over the upper chamber wall of the other portion.
