Hope this helps i found it at some site, this is what an f18 pilot wears btw.
A Gentex (US) helmet with pressure breathing and twin visor (clear & dark), NVG attachment to be designed
ML Lifeguard (UK) flight suit underneath. Two different types of woolen underwear and a fleece jacket. Winter jacket to be selected in the near future
On-board Oxygen Generation System (OBOGS)
Pressure regulator to adjust the pressure in the oxygen mask
Pressure vest (ML Lifeguard) to give positive pressure to upper body under G-loads.
Pressure breathing and vest add about 1,5 G tolerance compared to the traditional G-suit
Full cover G-suit (ML Lifeguard) with large air bladders. Fast reacting G-valve in the aircraft. Adds one more G compared to the traditional G-suit
Four leg restraints to attach to the Martin Baker SJU-17 NACES ejection seat
Immersion suit for over water flights