Get an ombranaut shirt - the official expedition garment of the Secret Planet Pioneers Society. As it is made from organic cotton, it will not agitate liminal lifeforms which may be encountered on the planet. It is extremely comfortable and can be worn under a Gauss harness for up to 48 hours. As it is created using renewable energy it will not affect your expedition's carbon footprint and will keep you within the Fotheringay Law.