Polartec fabrication balances warmth with lightweight garment Flatlock seams for a breathable, low-bulk wear 1/2 zip neckline allows you to vent and trap warm air Helly Hansen's Daybreaker fleece is the kind of layer you want wherever the adventure takes you. Comfortable, warm and stylish, it's great for walking, hiking, camping, skiing, lounging, sailing - you get the idea; it's an all-round kind of layer. Plus, thanks to its lightweight construction, it's easy to mix and match with baselayers and as the conditions dictate.