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Multi-day bikepacking trips and chilly spring gravel rides high up in the mountains have met their match in the Castelli Unlimited Puffy Vest. The vest is light as a feather, and the Polartec Alpha Direct insulation provides a shocking amount of warmth for the weight. The wind and water-repellent fabric allows beads of rain to roll right off when the skies open up, and the stretch side panels let excess heat out for hours of comfort in the saddle. We can also pack the vest down nice and small to stash into our pannier or pocket when we don't need it, which makes it invaluable on long rides through variable conditions.