The ISO, as a sailing class, falls into the category of racing skiffs. It is a 2 person dinghy that is equipped with a single trapeze and asymmetrical spinnaker. It is a fast, high-performance racing dinghy that is a lot of fun to sail and compete in. It is equipped with detachable wings which give it some versatility as the wings can help lighter crews gain better balance over the boat but can be removed for heavier crews.

The ISO is designed for crew weights ranging from 125Kgs to 165Kgs. It can be sailed by sailors of different ability and is a good boat to develop experience of sailing high-performance dinghies

The ISO is a popular boat for competitive sailing, partly because of its reasonable cost in comparison to other racing boat