Otter Series RaftsThe NRS Otter Series Rafts provide outfitter grade performance at a reduced cost for the boating proletariat (and for many outfitters too!) NRS uses the same types of top quality materials on the Otter designs that they use on their E Series boats, only less of those materials. This means the Otters weigh less and cost less, yet still possess the highest standards of NRS quality and performance. The tubes and self bailing floors are built with 1100