Double-Layer Chelonia 150 Fleece Headband Made of two layers of a soft, water-resistant, midweight fleece, it's a perfect companion to your everyday outdoor adventures.The Chelonia 150™ Double-Layer Band is designed to hug your head in warmth and softness. Comprised of soft and warm water-resistant, midweight fleece, this band traps heat between its two layers without making you sweat through outdoor activities.