Fourter than a pocket calendar: here is what the Secumar Ultra 170 looks like. Thanks to the flat folding of the float, it perfectly matches the shape of the body and seduced by its maximum freedom of movement. Comfort is improved, at the nape of the neck, by the presence of soft polar wool. The Ultra 170 Newtons line, is provided as standard of a subcuatal. BUOYANCY Inflatable Approved according to