A Peak Performance icon. With its unique quilted pattern, the Helium range has been a bestseller for almost a decade. This vest is lightweight and packable and has a wind- and waterproof shell and first class 90/10 down padding which makes it ideal for outdoor activities. Use it as an outer layer or under a shell jacket. Made from responsibly produced down which can be traced using the programme Track My Down®. Regular fit. Material: 100% Polyamide. Filling: 90% Duck down, 10% Feathers; Shell: 100% Polyamide.