Sitka Core Merino 220 Half-Zip - When the fall chill starts to settle in, it's time to reach for the Core Merino 220 Half-Zip. Featuring a midweight, double-layer merino wool blend, it regulates temperature to keep you comfortable from mild early-fall afternoons through late-season cold snaps. Merino wool is also naturally odor-resistant to help maintain stealth, and ArmorSpun merino wool is reinforced with nylon to make sure it stands the test of time. Lightweight 220-gram, 17.5-micron ArmorSpun Merino Wool for durability and anti-itch comfort; Easy-care merino wool can be washed and dried with your regular laundry; Snag-preventative stitching along sleeves resists abrasion from your pack; Zippered chest pocket safely stores your valuables; Low-profile integrated thumb holes for easy layering; Total weight: 315g; Style: 600207;