The Icebreaker Men's CollingWood Vest is a centerpiece for cool to cold weather hikes. Move uninterrupted through the wilderness when you're toasty warm at the middle. The MerinoLOFT 180g Insulation is quilted in so it won't move about and a 100%; Merino wool lining adds extra heat. Fall to winter, over a base layer or flannel. A stand alone or midlayer option depending on the weather, with a durable water repellent finish to shed light rain or Snow. Features of the Icebreaker Men's CollingWood Vest Quilted MerinoLOFT for lightweight warmth Merino lining for warmth Reverse coil center front zip with storm flap Zipper chin guard and interior storm flap prevent chafing Forward set side seams for comfort Zippered hand pockets Zippered interior security pocket Fabric Details Face: 100% Recycled Polyester with PFC-free DWR finish Linning: 100% Merino