Adidas Helionic Down Hooded Vest Puffer vests are great for those days when it's not quite cold, but definitely not warm. The Adidas Helionic Down Hooded Vest (£90) is a great choice because it's not bulky and it has a hood too. Image Source: adidas.co.uk Adidas Helionic Down Hooded Vest £90 from adidas.co.uk Buy Now