This jacket is probably the lightest, most packable piece of clothing I own. I guide elk hunters in all kinds of weather and where this jacket shines is in the early morn to keep a cool breeze from cutting you to the core. It doesn't provide warmth but with a long sleeve shirt underneath it's perfect for those cool mornings in early fall and then stuffs into a pocket as the day warms. It also sheds light rain surprisingly well. As long as it continues to hold up, and so far it has, it'll be my go-to windbreaker this coming fall.