Nothing worse than when you struggle to tog up with an immersion suit and LSJ only to realise you need to go. Unless you’re hung like a donkey, gaining access via the outer zip, unrolling the tube with the horizontal lolllipop stick on the end and then searching within the suit through underpants and long johns tangled up with a vest, an aircrew jersey and a woolly pully was a nightmare. Especially when it was a cold day...