The present application is concerned with a fabric for use in high visibility personal protection clothing. The present application proposes that a yarn (16, 18) capable of being dyed to a high visibility colour and a non- fusible yarn (14) are combined in a single fabric so as to provide a fabric which not only has heat and flame resistance but can also be dyed to high visibility colours. In particular, a fabric comprising a flame retardant dyeable yarn (16, 18) and a non- fusible fibre yarn (14), wherein the yarns form a double faced fabric is disclosed. In embodiments, the fabric is a double faced weave wherein the flame retardant yarn is a flame retardant polyester and the non -fusible yarn is an aramid yarn.