Instant Warmth And All-Day Comfort Light and packable, the Fox Howell Puffy Jacket is easy to take with you whenever you're heading outdoors. The 100g synthetic fill is great at holding on to warmth while not weighing you down when you're being active. Lightweight polyester is used for the exterior and this is durable and flexible, perfect for when you're scrambling over rocks, roots and trails. Whether you're spectating at an MTB or Motocross race, exploring new paths and trails or simply taking the day easy, the Howell Puffy offers reliable warmth for the day.