This suit today is $320 (from the UK), not including any shipping or tax. This is the warmest version they make! Also great for snowmobiling! If you are preparing for the winter dives season and want to ensure you have warm comfortable dives—this is the undersuit you need. I was sick of being cold all the time on longer dives. This suit is a game changer. The one piece makes it fast to don and take off. The warmest Weezle One Piece Undersuit, hand made in the UK from the best materials on the market, to the highest specification, using layers of innovative fibres to produce a hard-wearing, lightweight garment. The Extreme Plus version is our top weight of undersuit, shown her in the only colour it is available in; Black. Suitable for very cold water those on long 'deco' stops, or for people who really feel the cold. Constructed from layers of specially chosen fibres each chosen to perform differently each weight from Compact to Extreme plus offering more or less thermal protection as is suitable for under different drysuits, water temperatures and your thermal needs. Each one piece comes with a good quality double ended zipper and are packed in it's own stuff sack.