The super light Marmot Cumulus Pillow features 3D ergonomics and flex baffle technology to support your neck, regardless of your preferred sleeping position. So comfortable, you may be tempted to replace your pillow at home! Ultralight and durable 20d embossed nylon shell with multi layer laminate backing. Soft SpiraFil synthetic filling. 3D ergonomic and flex baffle technology to support your neck. RF welded seams for high strength and durability. Fine tune locking valve for easy inflation and adjustment for firmness. Removable and washable soft polyester cover. Stuff away into carry bag. Wt. 4.3 oz.