You only lose suits when you die with them on (excl. when disconnecting with the Mummy Suit on last life after taking damage) - there is no other point at which the suit is removed from your inventory, so you must've been killed in it whilst you were timing out.

You only lose suits when you die with them on (excl. when disconnecting with the Mummy Suit on last life after taking damage) - there is no other point at which the suit is removed from your inventory, so you must've been killed in it whilst you were timing out.