Insulated Performance: WaveCore™ construction provides twice the warmth of uninsulated air sleeping pads.Compact: Insulated without the use of bulky fill materials to pack down to about the size of a one-liter water bottle. Comfortable: Two inches (5 cm) of loft and horizontal baffles provide maximum stability and support. Durable: Tough, 50D polyester and proven airtight coatings deliver reliable long-term performance. WingLock™ Valve: Our intuitive and dependable valve maximizes air flow for easier inflation and quicker deflation. Wings toggle for one-way inflation to save breath. Pump sack, stuff sack and repair kit included