Designed with the perfect amount of loft and just the right amount of support, the Air Head(TM) Pillow will help you drift off-just about anywhere. This innovative pillow is made with an inflatable, baffled core, providing a stable, compressible foundation. Then, to top it off, we cover the entire pillow in partially recycled luxuriously soft brushed polyester filled with synthetic insulation for better nights under the stars. Light & Compact: Packs exceptionally small for easy travel. Thick and Stable: Four-inch (10 cm) thick, baffled air chamber for stability, loft and custom support. Soft: Synthetic-fill top and a brushed exterior provide next-to-skin comfort. Removable cover is machine washable, nonslip fabric keeps pillow in place. Thoughtful Shape: Precise shape nestles into the hood of your sleeping bag and is available in two sizes. Sustainable: Made of partially recycled fabric so it supports your head and mother nature. Technical Specs Best Use : Backpacking Pillow Type : Traditional Pillow Inflatable : Yes Pillow Fill : Synthetic Stuff Sack Included : Yes Material(s) : Polyester/urethane Dimensions : L: 18 x 12.5 x 4 inches Regular: 15.5 x 11 x 4 inches Weight : L: 7.7 ounces Regular: 5.6 ounces