The KT Drifter (formally known as the Wing Drifter) 28L . built for Tow, Wake, Dock, Pump, Prone and Kite foiling and efoil assist. .Exact Volume: 28.5 LitersDimensions: 4'4" x 18" x 3 1/4"Construction: Ultra Carbon Monocoque with an EPS core and S-Glass hull. superb construction unbelievably light 3kg !!!! as you can see from the photos has had very little use. I've upgraded to a trench board for my foil drive hence the sale. I've used this mainly for foil assist with the foil drive and I weigh 70 kg. full retail around £1000