If you are looking for a wind jacket you can always have with you then High Coast Lite Anorak is a strong candidate. 

• Light, pliant fabric made from recycled polyester.
• Wind resistant and dries quickly.
• Adjustable hood and generous zippered opening at the front.
• Two top-loaded pockets, the right-hand one doubles as a pack bag.
• Breathable, Lightweight, Packable, Quick-drying, Water-resistant, Wind resistant, Packs into self
• Navy Colourway