Therm-A-Rest Trail ProLite Sleeping Pad - The perfect balance of lightweight packability and iconic open-cell foam comfort. Designed with the reliable self-inflating technology you paired with new, more sustainable fabric, the Trail ProLite keeps your pack light and your slumber deep. The self-inflating foam measures 2 in and features a StrataCore construction, a design that provides the best warmth-to-weight ratio of any self-inflating foam construction. The 3.8 R-value allows you to stave off the cold during three-season pursuits. It also features the high-performance WingLock valve, which has three-times the airflow rate of a classic valve thanks to a larger opening and one-way inflation. Features StrataCore Construction: Yielding the best warmth-to-weight ratio of any self-inflating mattress, StrataCore uses a continuous layer of thermal foam nestled between alternating ridges of air and foam. Rugged, Self-Inflating Foam: Expanding foam core self-inflates; top off with just a few breaths for personalized firmness on 2 in of StrataCore loft. Easily Fits in Your Pack: Packs down small for easy packability to provide reliable comfort on your backcountry pursuits. Easy Inflate & Deflate: WingLock valve is easy to use, features one-way inflation and maximizes airflow to make inflating and deflating a breeze. Solution-Dyed Fabric: Solution dyeing provides longer lasting and more vivid colors and reduces ecological impact by using less water and energy than traditional methods. Updated User-Friendly Stuff Sack: Flared design is wider at one end for easy loading, with more efficient, easier-to-use compression straps to pack down small. Stuff sack included