If there is one transition bag you need for triathlon it39s the huub triathlon transition rucksack now we all love our plastic boxes but there is nothing trickier to move around in transition during a triathlon this bag has enough space for all your race day gear and is designed to be comfortable enough to exercise with the waterproof compartment is big enough to carry up to a size xl huub wetsuit a huge 32 litre volume to store all of your essential triathlon gear waterproof storage ar