The Smartwool Men's Merino Sport Ultralite Vest is purpose-built for trainers looking to stay comfortable during all their cold weather activities. This regular fit vest is made of Merino Sport Ultralite fabric that will regulate your body temperature without the added discomfort of bulk. It features a lightweight, recycled nylon outer shell with a durable water-repellent (DWR) finish as well as breathable body-mapped panels that will comfortably protect you from the cold and wind. This jacket conveniently packs itself into the right-hand pocket for easy storage so you can always have a source of warmth close by. Reflective elements are added for visibility in low-light conditions during your morning or late-evening runs. The Smartwool Men's Merino Sport Ultralite Vest is the best addition to all your fitness adventures!

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