A neck brace (10) having a collar member (12) to be arranged around a wearer's neck, and a rear member (14) extending from, the collar member (12) and to be abutted on the wearer's back. The brace further comprises releasable fastening means (74, 75, 88a, 88b, 92) for fastening the collar member to the rear member, such that the collar member and the rear member may also be detached.