Puffer jacket Lightweight, 100% polyester, and showerproof, the Grylls is built for movement and made to adapt. Designed with unpredictable weather in mind, it offers just the right balance of protection and breathability—perfect for those days when the skies can’t make up their mind. Whether you're navigating city streets, hiking through damp trails, or dashing between meetings, the Grylls moves with you, not against you. Its streamlined design makes it easy to layer over a hoodie or under a heavier coat, but it’s equally functional on its own. Best of all? It’s packable and travel-friendly, so you can have it in your bag and forget about it—until the weather reminds you why you brought it. Wherever the day takes you, the Grylls has your back. Available in Navy Compact warmth. Maximum utility.