ProLite PlusFor journeying into the backcountry with self inflating support, our ProLite Plus is a camp favorite. The 1. 5 inch (3. 8 cm) pad boasts a 3. 2 R value for added warmth in the backcountry. The diagonal cut foam creates a lighter mattress without sacrificing warmth. Premium materials and foam provide legendary Therm a Rest comfort and support. The versatile self inflating pad features the high performance WingLock valve, which has three times the