I think having a SIG is the key to a tunnel tent. If you don't, the side driven wind can whip underneath quite easily, whereas the SIG keeps most of it out.
Don't forget to leave a review of all tents you've used, for a chance to win fantastic prizes
A day of all things motorhome and campervan. The show is held both in the main indoor arena and across the grounds. Catering, hot drinks and food options are available. Easy access to the site and free parking included. Win one of five pairs of day tickets