Relish winter and everything it can throw at you in this super warm, super light insulated jacket. Keep your core toasty with the ultra-light inner reflective mesh that directs body heat back inside, keeping you up to 20% warmer*. Plus, you wont feel the damp or the cold thanks to the insulating Hydrodown® filling, specially treated with Nikwax® to repel moisture and ensure all day warmth. While, Pertex® Quantum face fabric is completely windproof. Overall, a thoughtfully designed piece to help you conquer the most strenuous coastal walk, toughest peak or a brisk forest run. 366g (Size 12)