Headrest (1) for a racing vehicle (10) comprising a cockpit (11) wherein a driver (20) wearing a helmet (30) can sit, comprising a flexible casing (2) configured to be anchored to a vehicle body (12) and at least one energy-absorbing member (3) comprising at least one honeycomb cellular structure (9) arranged inside said casing (2). The energy-absorbing member (3) further comprising a foam pad (8) shaped so as to hold the at least one honeycomb cellular structure (9).