Mark, the boss, phoned to tell me that he was sending a bag that had only one zip on the outside. He knows that at my age I spend a lot of time looking for things I've put away, and a bag with lots of sections simply hurts my brain - especially if I have to do some impromptu repacking at the airport check-in, with other passengers huffing behind me in the queue.
Actually, he was speaking with a forked tongue. This bag has two main sections and additional outside zipped pockets big enough for a single fin each, but I chose to ignore these, and packed everything into the main part of the bag.
One part forms the lid and is ideal for the few clothes for which I have spare weight allowance. Once packed and closed, it's true that there is only one zip to be locked.
It's a big bag, and it easily took my biggest fins, along with all my other paraphernalia. The biggest problem is to keep its weight within acceptable limits, and inevitably I was awarded the orange bad-boy heavy-bag tag at Gatwick Airport.
The Polar bag has two straps that pass across it to take the strain off the single zip closure once the bag is loaded. It also has conventional carrying handles, but I wouldnt dare carry it far with these.
No, it's the extending handle and big rubber-treaded wheels for me. There are further rubber-covered handles at each end. These enabled me to help the little Afghan mini-cab driver to swing it fully loaded into the boot of his Mercedes. (It amazes me that, thanks to the magic of a talking GPS route-finder, someone can be driving a cab in Kabul one day and working in Teddington almost the next!)
This bag is made from tough 1000 denier fabric cloth and is covered by a ten-year warranty against defective manufacture.
It has a U-shaped plastics-reinforced base that should make sure it lasts for more than a few trips, and runners on the base to protect it when its slid into place in a hold.
One of the problems of tough cases is their weight before you even get close to putting anything in them. This bag seems relatively light and, once fully packed, it was only a couple of kilos over the airline limit.
I was grateful that the beautiful and intelligent young lady at the Astraeus check-in chose to let the Polar dive holdall slip by without comment.