With its 3D design and soft outer cover , the Besto 165N has a perfect fit . This vest is suitable for a person with a maximum chest girth of up to 140 cm. The collar is firmly connected to the back and neck. Due the 3D fit it provides a safe and comfortable neck support. The jacket is fitted with a Crotch strap to make the jacket work better and gives an higher freeboard. The jacket is available in several variations and in various colors.Specifications• Bouyancy inflatable 165N• System United Moulders MK5• CO2 cylinder 31-33gr CO2• Crotch strap• All Weather Cartridge• Complies with ISO 12402-3